Lesson 2- Diversity of Life
Organism- an individual form of life
that is capable of growing,
processing nutrients, and
reproducing
Lesson 2 Review-Diversity of Life
• 1) Hunts small animals at night and
generates electric signals
• 2) Longest known organism to live
in water
• 3) Makes substances that are
harmful to bad bacteria
• 4) Captures insects and lives in
North and South Carolina
• 5) Largest known land organism
and lives in Oregon
• 6) Lives near areas of volcanic
activity and only one micrometer
across
• Honey mushroom
fungus
• Venus Flytrap
• Ocean bottom organism
• Yogurt-making bacteria
(Lactobacillus)
• Giant Kelp
• Black Ghost Knife fish
Lesson 3 Review-Challenges of Life
Who knows what 3 things organisms
must be able to do in order to
survive? Raise your hand if you
know!!
Lesson 3 Review-Challenges of Life
1) Obtain energy!
2) Produce offspring!
3) Maintain their structure!
All organisms have 4 basic needs. What
are they?
Food
Air
Water
Place to Live
Unit 1, Lesson 5/6-Classification of Living
Things and Domains of Life
In 1753, a Swedish scientist
named Carolus Linneaus
developed a system of naming
and classifying living things based
on how they relate to each other.
This is called-
Taxonomy
• the process of dividing things
into groups according to their
characteristics is called-
Classification
What are all of the categories?
More
general
More specific
Did (Domain)
King (Kingdom)
Phillip (Phylum)
Come (Class)
Over (Order)
For
(Family)
Good (Genus)
Spaghetti? (Species)
Then, Scientists add a new top category- called a
Domain. It is the broadest category. There are 3
domains!
Archaea
Bacteria
Eukarya
-tiny
-tiny
-larger than the other two
-single-celled (prokaryote)
-single-celled (prokaryote)
-no nucleus
-no nucleus
-includes all life forms with cells
that have nuclei (eukaryote)
-often live in extreme, harsh
environments, like hot springs,
deep parts of the ocean, etc.
-includes bad bacteria that causes
disease and good bacteria that
helps our bodies
-includes all animals, plants, fungi,
and protozoa
Divides into 4 categoriesKingdoms Protista, Fungi,
Plantae,Animalia
Unit 1, Lesson 7-Classifying Organisms Lab
1) Print off and cut out the taxonomy cards
2) Separate all of the organism cards from the rest
-Domestic Dog
-Human
-American Brown Bear -Goldfish
-Domestic Cat
-Bess Beetle
3) For each organism, one at a time, try to classify from largest to
smallest. (start with Eukarya card, then put Animalia under it, etc.)
4) Look at the cards closely. If you have trouble with this, then have
your LC print off the answer key and go through the arrangements
from the key, one organism at a time.
Unit 1, Lesson 7-Lab-Classifying organisms
• Be able to answer the following
questions• 1) What are some similarities
among the organisms on the
cards? What are some
differences?
• 2) Why is it important to classify
living things?
ExampleDomestic Cat
Eukarya
(Domain)
Animalia
(Kingdom)
Chordata
(Phylum)
Mammalia
(Class)
Carnivora
(Order)
Felidae
(Family)
Felis
(Genus)
Felis Catus
(Species)
Broadest
Most specific
Unit 1, Lesson 8-Chemistry of Life
Organic Compounds- 4 main types
Carbohydrates
Lipids
• Composed of one or more sugar units.
• Main functions are to store energy
and serve as structural material
• Examples- table sugars, starch in
potatoes and grains
• Composed of long chains of carbon
atoms with hydrogen atoms attached
• They are not soluble in water
• They are used in energy storage and
chemical messengers
• Includes waxes, fats, and oils
Organic Compounds-4 main types
Proteins
Nucleic Acids
• Serves as carriers of other substances,
information and guards against
invasion
• Made by connecting amino acids
together (type of organic molecule)
• Composed of many smaller molecules
called nucleotides connected together
• Important in storing and transmitting
info necessary for processes of life
-2 typesDNA-contains instructions for all of
organism’s traits
RNA- carries genetic info and de-
livers amino acids