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. Locomotion Structures?

Flagella

2. Mode of nutrition?

Autotrophic

3. Cell wall?

Cellulose

4. Ecological importance?

Base of food chain, CO2, Red tide

5. What is a red tide?

Algal bloom

Significance?

High reproduction/mortality event; reduces some organisms, feeds others, ecosystem-wide effect

6. What is bioluminescence?

Ability to produce light in organisms.

What phylum?

Dinoflagellates

Dinoflagellates

Structures:

cell wall

flagella

Diatoms

Diatoms

Diatoms

1. Describe the cell wall.

Sculptured

What’s the cell wall made of

Silica

What makes the cell wall unique?

composed of two “valves”

2. What pigments are present?

Chlorophyll, fucoxanthin

3. Natural habitat? Everywhere!

4. Mode of nutrition? Autotrophic

5. Ecological importance?

Base of food web in open water

Remove CO2 from atmosphere

Some fix N

Green Algae

1. Form?

Filametous

2. Mode of nutrition?

Autotrophic

3. Pigment(s)?

Chlorophyll

4. Cell wall?

Cellulose

5. Motility?

None

6. What Phylum?

Green algae

7. 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. Macro-algae are key producers in which aquatic

ecosystem? Benthic-littoral

2. Pigment(s)? Chlorophyll

3. Examples: sea lettuce

4. Cell wall? Cellulose

Red Algae

5. Two Examples: Filamentous,

blade-like, coraline

6. Advantage of red pigment?

Photosynthesis in deeper water

7. 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