• More Units Available at…
Earth Science: The Soil Science and Glaciers Unit, The Geology Topics
Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The
Rivers and Water Quality Unit, The Water Molecule Unit.
Physical Science: The Laws of Motion and Machines Unit, The Atoms
and Periodic Table Unit, The Energy and the Environment Unit, and
Science Skills Unit.
Life Science: The Infectious Diseases Unit, The Cellular Biology Unit,
The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The
Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology:
Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural
Selection Unit and The Human Body Systems and Health Topics Unit
Copyright © 2010 Ryan P. Murphy
• The Evolution and Natural Selection / Change
Topics Unit includes…
• A Six Part 3,400 Slide PowerPoint roadmap.
• 26 page bundled homework package that
chronologically follows the slideshow, modified
version, answer keys, and rubric.
• 12 pages of unit notes that follows slideshow.
• 4 PowerPoint Review Games (550 Slides) with
answer keys.
• Worksheets, crossword puzzles, rubrics,
templates, and much more.
• http://www.sciencepowerpoint.com/Evolution_Na
tural_Selection_Unit.html
Evolution and Natural Selection /
Change Topics Unit
Part I: Evolution
Part II: Natural Selection
Part III: Earth System History
Part IV: Human Evolution
Part V: On Origins
Part VI: Ecological Succession
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
Copyright © 2010 Ryan P. Murphy
-Nice neat notes that are legible and use indentations
when appropriate.
.
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-Don’t skip pages
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-Don’t skip pages
-Make visuals clear and well drawn.
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-Don’t skip pages
-Make visuals clear and well drawn.
First Name, Last Name
Science and Section
First Name, Last Name
Science and Section
Treat this journal with care and
respect. It will be very helpful for
the bundled homework package.
First Name, Last Name
Science and Section
Your journal is your responsibility. If it
becomes lost or damaged it will
significantly reduce your grade.
First Name, Last Name
Science and Section
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
• BLACK SLIDE: Pay attention, follow
directions, complete projects as described
and answer required questions neatly.
Copyright © 2010 Ryan P. Murphy
• Keep an eye out for “The-Owl” and raise
your hand as soon as you see him.
– He will be hiding somewhere in the slideshow
Copyright © 2010 Ryan P. Murphy
• Keep an eye out for “The-Owl” and raise
your hand as soon as you see him.
– He will be hiding somewhere in the slideshow
“Hoot, Hoot”
“Good Luck!”
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conservations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conservations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conservations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conservations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Class Expectations
– You can show respect by…
• Listening when the teacher or others are talking.
– One speaker at a time, please raise your hand.
• Please no cross-room conversations during work
time.
– You can be responsible by…
• Staying organized and avoiding distraction.
• Staying focused on task completion.
– You can make good choices by…
• Attending class regularly
• Doing your best and never giving up.
– Be Safe!
• First, last, and always.
Copyright © 2010 Ryan P. Murphy
• Darwin observed the Galapagos finches
while traveling on the H.M.S Beagle.
Copyright © 2010 Ryan P. Murphy
• Evolution Available Sheet that follows
slideshow for classwork.
• Darwin hypothesized that one finch landed
on the Island.
– This one finch over time and evolved into many
different types of finches.
Copyright © 2010 Ryan P. Murphy
• Some finches have small beaks to eats
small seeds,
Copyright © 2010 Ryan P. Murphy
• Some finches have small beaks to eats
small seeds, other finches have large
beaks to crush hard large seeds.
Copyright © 2010 Ryan P. Murphy
• Some finches have small beaks to eats
small seeds, other finches have large
beaks to crush hard large seeds. Other
beaks were designed to catch insects.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• Which Finch is better adapted to crush
large seeds that fall to the ground?
Copyright © 2010 Ryan P. Murphy
• Which Finch is better adapted to crush
large seeds that fall to the ground?
Copyright © 2010 Ryan P. Murphy
• They even evolved into a Vampire Finch.
Copyright © 2010 Ryan P. Murphy
• Many species were able to thrive if they
made the journey to the Galapagos
because once they arrived there were very
few mammalian predators.
Copyright © 2010 Ryan P. Murphy
• Review Activity! The Hypotheticus Beast.
Copyright © 2010 Ryan P. Murphy
• The hypotheticus is a normal animal, it
eats leaves and tubers (roots).
Copyright © 2010 Ryan P. Murphy
• The hypotheticus is a normal animal, it
eats leaves and tubers (roots). A male
hypotheticus meets a female.
Copyright © 2010 Ryan P. Murphy
• The hypotheticus is a normal animal, it
eats leaves and tubers (roots). A male
hypotheticus meets a female.
Copyright © 2010 Ryan P. Murphy
• More babies are born than can possibly
survive.
Copyright © 2010 Ryan P. Murphy
• More babies are born than can possibly
survive.
Copyright © 2010 Ryan P. Murphy
• Each Hypotheticus is slightly different than
the other.
Copyright © 2010 Ryan P. Murphy
• Each Hypotheticus is slightly different than
the other.
Copyright © 2010 Ryan P. Murphy
• Each Hypotheticus is slightly different than
the other.
Copyright © 2010 Ryan P. Murphy
• Each Hypotheticus is slightly different than
the other.
Copyright © 2010 Ryan P. Murphy
• Each Hypotheticus is slightly different than
the other.
Copyright © 2010 Ryan P. Murphy
• Predators such the Fanged Tooth
Scienceteachericus kept populations of the
Hypotheticus in check.
Copyright © 2010 Ryan P. Murphy
• Predators such the Fanged Tooth
Scienceteachericus kept populations of the
Hypotheticus in check.
Copyright © 2010 Ryan P. Murphy
• One of the offspring has more hair than
most. The Hairy Hypotheticus.
Copyright © 2010 Ryan P. Murphy
• One of the offspring has a slightly larger
neck. The Long Necked Hypotheticus.
Copyright © 2010 Ryan P. Murphy
• One of the offspring is a bit shorter and has
longer claws. The Clawed Hypotheticus.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• Climate in Hypotheticus Land became
drastically dry for the next several years.
– Many of the shrubs are eaten or start to die.
Copyright © 2010 Ryan P. Murphy
• Natural Resources are limited for the
Normal Hypotheticus.
Copyright © 2010 Ryan P. Murphy
• The normal Hypotheticus can’t reach the
leaves, and there aren’t enough shrubs to
survive.
Copyright © 2010 Ryan P. Murphy
• The normal Hypotheticus can’t reach the
leaves, and there aren’t enough shrubs to
survive.
– The Normal Hypotheticus has a difficult time
surviving.
Copyright © 2010 Ryan P. Murphy
• The normal Hypotheticus can’t reach the
leaves, and there aren’t enough shrubs to
survive.
– The Normal Hypotheticus has a difficult time
surviving.
– Tuber roots just below the surface are eaten
quickly.
Copyright © 2010 Ryan P. Murphy
• Over thousands of years, the normal type
Hypotheticus slowly have trouble surviving to
reproduce.
Copyright © 2010 Ryan P. Murphy
• The Fanged Tooth Scienceteachericus has
no problems killing these tired and weaker
species.
Copyright © 2010 Ryan P. Murphy
• The long necked Hypotheticus tend to
survive more often because they can reach
leaves on trees.
Copyright © 2010 Ryan P. Murphy
• With more Long Necked Hypotheticus
surviving,
Copyright © 2010 Ryan P. Murphy
• With more Long Necked Hypotheticus
surviving, Long Necked Hypotheticus tend to
mate with Long Necked Hypotheticuses,
Copyright © 2010 Ryan P. Murphy
• With more Long Necked Hypotheticus
surviving, Long Necked Hypotheticus tend to
mate with Long Necked Hypotheticuses, over
millions of years.
Copyright © 2010 Ryan P. Murphy
• Overtime, nature favors the Long Necked
Hypotheticus,
Copyright © 2010 Ryan P. Murphy
• Overtime, nature favors the Long Necked
Hypotheticus, and gradually, those offspring
with longer necks survive more often to
reproduce and their offspring have long
necks.
Copyright © 2010 Ryan P. Murphy
• Overtime, nature favors the Long Necked
Hypotheticus, and gradually, those offspring
with longer necks survive more often to
reproduce, and their offspring have long
necks.
Copyright © 2010 Ryan P. Murphy
• Overtime, nature favors the Long Necked
Hypotheticus, and gradually, those offspring
with longer necks survive more often to
reproduce, and their offspring have long
necks.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• The clawed Hypotheticus can dig up tuber
roots better than the other Hypotheticuses.
Copyright © 2010 Ryan P. Murphy
• Nature favors Longer Clawed Hypotheticus,
as they can reach the tubers,
Copyright © 2010 Ryan P. Murphy
• Nature favors Longer Clawed Hypotheticus,
as they can reach the tubers, slowly over
thousands and thousands of generations,
Copyright © 2010 Ryan P. Murphy
• Nature favors Longer Clawed Hypotheticus,
as they can reach the tubers, slowly over
thousands and thousands of generations, the
Hypotheticus gets shorter, and gets larger
claws for digging.
– Those that are shorter with longer claws survive
more to reproduce.
– Their offspring are also shorter and clawed.
Copyright © 2010 Ryan P. Murphy
• Nature favors Longer Clawed Hypotheticus,
as they can reach the tubers, slowly over
thousands and thousands of generations, the
Hypotheticus gets shorter, and gets larger
claws for digging.
– Those that are shorter with longer claws survive
more to reproduce.
Copyright © 2010 Ryan P. Murphy
• Nature favors Longer Clawed Hypotheticus,
as they can reach the tubers, slowly over
thousands and thousands of generations, the
Hypotheticus gets shorter, and gets larger
claws for digging.
– Those that are shorter with longer claws survive
more to reproduce.
– Their offspring are also shorter and clawed.
Copyright © 2010 Ryan P. Murphy
• Maybe it learns to dig and burrow in the earth
to stay cool as the climate gets warmer.
Maybe it loses its hair.
Copyright © 2010 Ryan P. Murphy
• Maybe it learns to dig and burrow in the earth
to stay cool as the climate gets warmer.
Maybe it loses its hair.
– It is also advantageous to be smaller to burrow
better.
Copyright © 2010 Ryan P. Murphy
• Over thousands of years, the clawed group of
the Hypotheticus finds it difficult to mate with
the Normal Hypotheticus.
Copyright © 2010 Ryan P. Murphy
• Over thousands of years, the clawed
Hypotheticus finds it difficult to mate with the
Normal Hypotheticus.
Copyright © 2010 Ryan P. Murphy
• Eventually, the two won’t mate at all.
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• Over hundreds of thousands to millions of
years a new species has evolved.
Copyright © 2010 Ryan P. Murphy
• Over hundreds of thousands to millions of
years a new species has evolved.
Copyright © 2010 Ryan P. Murphy
• Over hundreds of thousands to millions of
years a new species has evolved.
– This is called adaptive radiation.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
• In this environment, having more hair keeps
you drier and warmer in a cold climate.
– The Long Haired Hypotheticus has a slightly
better chance of survival.
Copyright © 2010 Ryan P. Murphy
• Populations of the Hairy Hypotheticus are
stable in size except for some seasonal
changes.
Copyright © 2010 Ryan P. Murphy
• The ones that have more hair survive more
and thus reproduce more.
Copyright © 2010 Ryan P. Murphy
• The ones that have more hair survive more
and thus reproduce more.
– Because traits are passed down, more and more
Hairy Hypotheticus result.
Copyright © 2010 Ryan P. Murphy
• The world is thrown into an ice age for
60,000 years,
• The world is thrown into an ice age for
60,000 years, only the most Hairy
Hypotheticus survive.
• The world is thrown into an ice age for
60,000 years, only the most Hairy
Hypotheticus survive.
• Now only really hairy hypotheticus have
survived and they mate with other
surviving hairy hypotheticus.
• Now only really hairy hypotheticus have
survived and they mate with other
surviving hairy hypotheticus.
• Over time, the hairy Hypotheticus is so
different from the normal Hypotheticus that
they can no longer mate.
Copyright © 2010 Ryan P. Murphy
• Over time, the hairy Hypotheticus is so
different from the normal Hypotheticus that
they can no longer mate.
– A new species has evolved.
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• The Normal Hypotheticus went extinct,
Copyright © 2010 Ryan P. Murphy
• The Normal Hypotheticus went extinct,
Copyright © 2010 Ryan P. Murphy
• The Normal Hypotheticus went extinct, but
its existence helped evolve several species.
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Copyright © 2010 Ryan P. Murphy
Extinct
• Interestingly, based on both morphological
and biochemical evidence,
Copyright © 2010 Ryan P. Murphy
• Interestingly, based on both morphological
and biochemical evidence, it is agreed that
the manatees,
Copyright © 2010 Ryan P. Murphy
• Interestingly, based on both morphological
and biochemical evidence, it is agreed that
the manatees, dugongs,
Copyright © 2010 Ryan P. Murphy
• Interestingly, based on both morphological
and biochemical evidence, it is agreed that
the manatees, dugongs, and hyraxes
Copyright © 2010 Ryan P. Murphy
• Interestingly, based on both morphological
and biochemical evidence, it is agreed that
the manatees, dugongs, and hyraxes are the
closest living relatives of today's elephants.
Copyright © 2010 Ryan P. Murphy
Extinct
Moeritherium
species – 50
million years ago.

Variation + Many Offspring + Heredity =
Natural Selection.
Copyright © 2010 Ryan P. Murphy

Variation + Many Offspring + Heredity =
Natural Selection.
Copyright © 2010 Ryan P. Murphy

Variation + Many Offspring + Heredity =
Natural Selection.
Copyright © 2010 Ryan P. Murphy
• You can now complete this question.
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
– Be prepared for story time!
Copyright © 2010 Ryan P. Murphy
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
– Be prepared for story time!
Copyright © 2010 Ryan P. Murphy
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
– Be prepared for story time!
Copyright © 2010 Ryan P. Murphy
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
– Be prepared for story time!
Copyright © 2010 Ryan P. Murphy
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
– Be prepared for story time!
Copyright © 2010 Ryan P. Murphy
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
Copyright © 2010 Ryan P. Murphy
• Activity! You need to create a story book
about your own type of unique Hypotheticus.
– Please include the mechanism for change
(The parts of Natural Selection from the
notes).
– Create pictures, have fun with names.
– Provide text above or below the pictures.
– Your Hypotheticus should change into a new
animal, or many animals over many thousands
to millions of years.
– Use technology if you want, or use paper,
staples, and your creative abilities.
– Be prepared for story time!
Copyright © 2010 Ryan P. Murphy
• Example story using a combination of paint
images and PowerPoint drawing.
• Example story using a combination of paint
images and PowerPoint drawing.
• (Keep it simple for time sake)
• Copy and paste saves time…
By Your Name
This is the story of Todd the Tortoise and
how he got his shell.
One day Tom saw the love of
his life
Tina the Tortoise…
They went behind a rock and
decided to start a family.
Tina laid many eggs.
More were born than can
possibly survive.
Natural resources are
limited.
Sammy the Snake Enjoys eating tortoise eggs
and baby tortoise.
• Only a few of the eggs survived to hatch into
baby tortoise.
No two individuals were alike and
baby Todd had this weird shell on his
back.
No two individuals were alike and
baby Todd had this weird shell on his
back.
“C’mon Todd,
your so
slow.”
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• Predators such as Sammy the Snake kept
populations of tortoise in check.
• One day Todd meet another female turtle that
had a small shell thing on her back.
They went behind a rock and
decided to start a family.
• Variation is inheritable and most of the
offspring also had this shell.
• Todd Jr. bumped into Sammy the snake one
day as an adult tortoise.
Todd’s hard shell made it very difficult
for Sammy to eat him.
Shelled tortoise began surviving more
often and were able to reproduce.
Overtime, more shelled tortoise survived
because nature selected their shell for
survival.
• Their offspring were also shelled. A new
species was eventually born.
• Their offspring were also shelled. A new
species was eventually born.
“Who are you?”
• Evolution Available Sheet that follows
slideshow for classwork.
• Evolution Available Sheet that follows
slideshow for classwork.
• You can now complete this question for
homework.
• You can now complete this question for
homework.

Divergent evolution: When a group from a
specific population develops into a new
species.
Copyright © 2010 Ryan P. Murphy
• Examples of divergent evolution.
Copyright © 2010 Ryan P. Murphy
• People are all of the same species, but we
can see that people all over the world have
minor differences from each other.
Copyright © 2010 Ryan P. Murphy
• You can now complete this question.

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
This Side:
One part of
the world
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
This Side:
One part of
the world
This Side:
Another part
of the world
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
This Side:
One part of
the world
Ex. S. America
This Side:
Another part
of the world
Ex. Asia and
Australia
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.

Convergent Evolution: Similar evolved
structures in unrelated animals.

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy

Convergent Evolution: Similar evolved
structures in unrelated animals.
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures,
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures, in response
to similar environmental conditions,
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures, in response
to similar environmental conditions,
despite the fact that their evolutionary
ancestors are very different.
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures, in response
to similar environmental conditions,
despite the fact that their evolutionary
ancestors are very different.
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures, in response
to similar environmental conditions,
despite the fact that their evolutionary
ancestors are very different.
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures, in response
to similar environmental conditions,
despite the fact that their evolutionary
ancestors are very different.
Copyright © 2010 Ryan P. Murphy
• Convergent Evolution: Organisms evolve
similar shapes or structures, in response
to similar environmental conditions,
despite the fact that their evolutionary
ancestors are very different.
Copyright © 2010 Ryan P. Murphy
• We see convergent evolution in Australia,
Copyright © 2010 Ryan P. Murphy
• We see convergent evolution in Australia,
it separated from the rest very early,
Copyright © 2010 Ryan P. Murphy
• We see convergent evolution in Australia,
it separated from the rest very early, and
similar type of animals are found on each.
Copyright © 2010 Ryan P. Murphy
• You can now complete this question.
• Activity! Bird Monsters.

Please record the following
 Beak
types (utensils)
-
Copyright © 2010 Ryan P. Murphy
Evolution and Natural Selection /
Change Topics Unit
Part I: Evolution
Part II: Natural Selection
Part III: Earth System History
Part IV: Human Evolution
Part V: On Origins
Part VI: Ecological Succession
• More Units Available at…
Earth Science: The Soil Science and Glaciers Unit, The Geology Topics
Unit, The Astronomy Topics Unit, The Weather and Climate Unit, and The
Rivers and Water Quality Unit, The Water Molecule Unit.
Physical Science: The Laws of Motion and Machines Unit, The Atoms
and Periodic Table Unit, The Energy and the Environment Unit, and
Science Skills Unit.
Life Science: The Infectious Diseases Unit, The Cellular Biology Unit,
The DNA and Genetics Unit, The Life Topics Unit, The Plant Unit, The
Taxonomy and Classification Unit, Ecology: Feeding Levels Unit, Ecology:
Interactions Unit, Ecology: Abiotic Factors, The Evolution and Natural
Selection Unit and The Human Body Systems and Health Topics Unit
Copyright © 2010 Ryan P. Murphy
• The Evolution and Natural Selection / Change
Topics Unit includes…
• A Six Part 3,400 Slide PowerPoint roadmap.
• 26 page bundled homework package that
chronologically follows the slideshow, modified
version, answer keys, and rubric.
• 12 pages of unit notes that follows slideshow.
• 4 PowerPoint Review Games (550 Slides) with
answer keys.
• Worksheets, crossword puzzles, rubrics,
templates, and much more.
• http://www.sciencepowerpoint.com/Evolution_Na
tural_Selection_Unit.html
• Activity! Evolution and Natural Selection
Review Game.
Copyright © 2010 Ryan P. Murphy
• The Evolution and Natural Selection / Change
Topics Unit includes…
• A Six Part 3,400 Slide PowerPoint roadmap.
• 26 page bundled homework package that
chronologically follows the slideshow, modified
version, answer keys, and rubric.
• 12 pages of unit notes that follows slideshow.
• 4 PowerPoint Review Games (550 Slides) with
answer keys.
• Worksheets, crossword puzzles, rubrics,
templates, and much more.
• http://www.sciencepowerpoint.com/Evolution_Na
tural_Selection_Unit.html