Monday April 21
• Essential Question: What is necessary for
evolution to occur
• Today Jeopardy Review
• Any questions on the Study Guide. Its Due
tomorrow 4/22
Evolution!
Evidence
for
Evolution
Misc.
Evolution
Natural
Selection
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Adaptation
FJ
Evolution
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Question: Evolution happens
to __________ not __________
Answer: Populations not
individuals
Evolution
Question: What is the definition
of evolution
Answer: A theory (explanation)
supported by evidence for how
populations change over time
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Evolution
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Question: Who is the father of
Evolution?
Answer: Charles Darwin
Evolution
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Question: Evolution can only
occur if there is differences in
the population known as
______ _______.
Answer: Genetic Variety
Evolution
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Question: The more alike two
different organisms are, the
more recently they shared a
__________ ___________.
Answer: Common
Ancestor
Natural
Selection
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Question: What is the
definition of Natural Selection?
Answer: The survival and
reproduction of the
organisms that are
genetically best fit for their
environment
Natural
Selection
Daily Double
Question: The variety of dog
and cat breeds that we have
today are a product of
_________ _____________.
Answer: Artificial Breeding
(Selective Breeding)
$200
Natural
Selection
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Question: What are the name of
the islands where Darwin studied
and gathered much of his
evidence for Natural Selection?
Answer: The Galapagos Islands
Natural
Selection
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Question: If tall individuals
were favored in a population
we would have an example for
this type of selection
Answer: Directional
selection
Natural
Selection
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Question: A little child catches a
fly and pulls its wings off. The fly
actually lives a better life, but does
not pass its lack of wings on to its
offspring because the loss of wings
is an _________ _______.
Answer: Acquired Trait
Adaptations
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Question: What adaptations are
shown in the picture?
Answer: Wings allowing
for flight
Primates
Adaptations
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Question: A variation in an
organism that helps it survive
is called an ________________
Answer: Adaptation
Primates
Adaptations
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Question : When an organism matches its
surroundings in order to hide, this is an
example of what type of adaptation?
Answer: Camouflage
Primates
Adaptations
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Question: When an organism chooses not
to mate with another type of the same
species it is this type of speciation?
Answer: Behavioral
Primates
Adaptations
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Question: When species are separated
by a part of the landscape and cannot
come in contact it is known as this type
of speciation?
Answer: Geographic
Evidence
for
Evolution
Question: The hip bones of a
dolphin and the tailbone of a
human are examples of what?
Answer: Vestigial Structures
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Evidence
for
Evolution
$200
Question: Give an example of a structure
that is homologous to a cat’s paw.
Answer: Answers vary.
Dog’s paw, human arm,
bat wing, whale flipper
Evidence
for
Evolution
Question: Give the definition
of an homologous structure.
Answer: Body parts that have
different development but
similar structure
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Evidence
for
Evolution
Question: When two
organisms share a similar
DNA sequence, what does
that tell scientists?
Answer: they are closely
related
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Evidence
for
Evolution
$500
Question: In embryology, when
the embryos are very similar to
each other, this means… ?
Answer: the organisms had a common
ancestor
Misc.
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Question: What is the ability
of an organism to survive and
reproduce in its environment.
Answer: fitness
Misc.
$200
Question: This organism is
thought to be the first life on
Earth?
Answer: heterotrophic
prokaryotes (bacteria)
Misc.
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Question: Organisms that
look alike and can reproduce
are called this.
Answer: A species
Misc.
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Question: Why was the
appearance of autotrophs on
earth so important to life as
we now know it?
Answer: they produced
oxygen that built up in our
atmosphere
Misc.
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Question: Why, in
evolutionary terms, would it
be beneficial for new
individuals to come into a
population?
Answer: Gene flow brings in
new DNA, which brings about
evolution.
Final Jeopardy Topic
Evolution
Final Jeopardy Question
• Gazelles on the African plains are often
hunted by the top predators. Over time, the
gazelles have evolved to have very large eyes
on either side of their head and very large
ears.
– How do their eyes and ears factor into their
survival?
– Explain how, through Natural Selection, gazelles
have evolved to have these kind of eyes and ears.
Final Jeopardy Answer
• The eyes on either side of the head help them
to see the predators coming from all
directions. The large ears help them to hear
the predators.
• Over time, the gazelles that had poor hearing
and vision were killed off. Those with better
vision and hearing survived to pass those traits
on to their offspring.