Protists Lab Review
Ciliates: Paramecium
Locomotion structures?
Cilia
Heterotrophic or Autotrophic?
Heterotrophic
How are nutrients obtained?
Cilia create currents that move
particles toward food channel
Name of food channel?
Oral Groove
Natural habitat?
Aquatic, fresh water
Ciliates: Paramecium
cilia
plasma membrane
oral groove
contractile vacuole
food vacuole
Ameoboids: Ameoba
1. Describe body shape.
Amorphous (no form)
2. Locomotion Structures?
Pseudopods
3. Mode of nutrition?
Heterotrophic
4. How is food ingested?
Phagocytosis
5. Natural habitat?
Freshwater
Ameoboids: Ameoba
Structures
plasma membrane
cytoplasm
pseudopod
Phylum Euglenoids: Euglena
Euglenoids: Euglena
Locomotion Structures?
Flagellum
Mode of nutrition?
Autotrophic
Pigment(s)?
Chlorophyll
Alternative feeding?
Absorption
Natural habitat?
Polluted water
Structures
flagella
plasma membrane
chloroplast
Ceratium
1.
2.
3.
4.
5.
6.
Locomotion Structures?
Flagella
Mode of nutrition?
Autotrophic
Cell wall?
Cellulose
Ecological importance?
Base of food chain, CO2, Red tide
What is a red tide?
Algal bloom
Significance?
High reproduction/mortality event; reduces some
organisms, feeds others, ecosystem-wide effect
What is bioluminescence?
Ability to produce light in organisms.
What phylum?
Dinoflagellates
Dinoflagellates
Structures:
cell wall
flagella
Diatoms
Diatoms
Diatoms
1.
2.
3.
4.
5.
Describe the cell wall.
Sculptured
What’s the cell wall made of
Silica
What makes the cell wall unique?
composed of two “valves”
What pigments are present?
Chlorophyll, fucoxanthin
Natural habitat? Everywhere!
Mode of nutrition? Autotrophic
Ecological importance?
Base of food web in open water
Remove CO2 from atmosphere
Some fix N
Green Algae
1.
2.
3.
4.
5.
6.
7.
Form?
Filametous
Mode of nutrition?
Autotrophic
Pigment(s)?
Chlorophyll
Cell wall?
Cellulose
Motility?
None
What Phylum?
Green algae
Natural habitat and ecological significance?
Base of food chain along water’s edge
Volvox
1.
Movement?
Flagella
2. Mode of nutrition?
Autotrophic
3. Pigments?
Chlorophyll
4. Habitat?
Freshwater
Structures
colony
individual cells
daughter colony
Green algae
1.
2.
3.
4.
Macro-algae are key producers in which aquatic
ecosystem? Benthic-littoral
Pigment(s)? Chlorophyll
Examples: sea lettuce
Cell wall? Cellulose
Red Algae
5.
6.
7.
Two Examples: Filamentous,
blade-like, coraline
Advantage of red pigment?
Photosynthesis in deeper water
Hard substance deposited in
coralline red algae cell walls?
Calcium
Brown Algae
8. 2 Examples: Kelp,
rockweeds
9. 2 Pigments? chlorophyll,
fucoxanthin
10. Cell wall? cellulose
11. Which algae are closest
relatives of plants? Why?
Green algae share
pigments, physiology and
genetics with land plants
Brown Algae
12. Structures
blade
bladder
stipe
holdfast
13. How does the body
plan compare to a
typical plant?
Convergent Evolution
14. What environmental factors selected for similar
body plans in kelp in the sea and plants on
land?
Need to support body while growing toward light.
Phylum Amoeboids: Amoeba
Phylum Green Algae: Volvox
Phylum Brown Algae
Phylum Green Algae: Ulva
Phylum Ciliates: Paramecium
Phylum Red Algae
Phylum Dinoflagellates: Ceratium
Phylum Red Algae