 Protozoans
 Heterotrophic
organisms)
 Four
(Obtain food from other
A
pseudopod is a temporary bulge of the cell
membrane filled with cytoplasm
 It is used for feeding and movement
 Another Name: Sarcodines
 A member of this group: Ameoba
 Hair-like
projections that move in a wavelike
pattern. It is used for movement, feeding,
and to sense the environment.
 The large nucleus controls the everyday tasks
and the small nucleus functions in
reproduction.
 Ciliates is another name
 Paramecium are a common member.
A
flagellum is a long, whip-like structure that
is used for movement
 Zooflagellates have one to eight long, whiplike flagella to help them move. They live
inside the bodies of other organisms.
 Symbiosis: A close relationship between two
species where at least one species benefits.
 Move
 The
way they LIVE and MOVE
 Sporozoan: Parasites that feed on the cells
and body fluids of their hosts.
 Get
their food from their environment
 Heterotrophs
 Fungus; move
 Water


Molds
Water or moist places
They grow as tiny threads that look like a fuzzy
covering on a living organism
 Slime



Molds
In moist soil and on decaying plants and trees
When food is scarce, they will creep together
and form a multicellular mass
They move in an amoeba-like way by forming
pseudopods and oozing along the surfaces of
decaying material.
 Spore:
Tiny cell that can grow into a new
organism
 Algae
 Chloroplasts;
sun
 Autotrophs (make their own food)
Euglenoids
 No Cell Wall
 Unicellular
 Use a flagella for movement
 They
are unique because when sunlight isn’t
available, they become heterotrophic and
EAT.
 Dinoflagellates




Bodies are covered by stiff plates
They live in the water
Have two flagella and contain chlorophyll as well
as other pigments
Random fact: They can glow in the dark!
 Diatoms
are unicellular with glass-like cell
walls.
 They move by shooting chemicals out of their
cell walls. This gives them a kind of jet
propulsion.
 Green


algae
Where do they live? Freshwater, saltwater, at the
bases of trees/in moist soil
Most are unicellular, some form colonies, and a
few are multicellular
 Red


algae
They are multicellular SEAWEEDS
Their red color is beneficial because:


They can live deep below the ocean’s surface
The red pigment is good at absorbing a small amount
of light.
 Brown


algae
A pigment is a chemical that produces color
In the Pacific coastal waters, brown algae makes
the GIANT KELP.
 An
organism that has the ability to make its
own food.
1.
2.
3.
4.
Define heterotroph and autotroph. Give an
example of each.
Describe how protists are different from
animals, plants, and fungus.
Explain the difference between unicellular
and multicellular.
What are the three concepts of the cell
theory.
Spore: tiny cell that can grow into a new
organism
A
heterotroph cannot make its own food, so
it has to get it from another organism.
 An autotroph can make its own food.
 Examples:


Heterotroph: Animals or Fungus
Autotroph: Plants
 Protists
are much simpler than plants,
animals, and fungus.
 They are typically unicellular, while plants,
animals, and fungus are multicellular.
 Unicellular:
A single celled organism
 Multicellular: Many cells make up one
organism
 Every
living thing is made up of one or more
cells.
 Cells carry out the functions needed to
support life
 Cells come only from other living cells
 Heterotrophic
 Able
to move from place to place
 Heterotrophic
 Cell
Walls
 Reproduce with spores
 Autotrophic
 Answers
will vary.