Protists Lab Review - Napa Valley College Protists Lab Review.pdfProtists Lab Review . Ciliates:...
Transcript of Protists Lab Review - Napa Valley College Protists Lab Review.pdfProtists Lab Review . Ciliates:...
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Protists Lab Review
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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
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Ciliates: Paramecium
cilia
plasma membrane
oral groove
contractile vacuole
food vacuole
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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
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Ameoboids: Ameoba
Structures
plasma membrane
cytoplasm
pseudopod
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Phylum Euglenoids: Euglena
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Euglenoids: Euglena Locomotion Structures?
Flagellum
Mode of nutrition?
Autotrophic
Pigment(s)?
Chlorophyll
Alternative feeding?
Absorption
Natural habitat? Polluted water
Structures
flagella
plasma membrane
chloroplast
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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
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Dinoflagellates
Structures:
cell wall
flagella
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Diatoms
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Diatoms
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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
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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
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Volvox 1. Movement?
Flagella 2. Mode of nutrition?
Autotrophic 3. Pigments?
Chlorophyll 4. Habitat?
Freshwater Structures
colony individual cells daughter colony
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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
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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
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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
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Brown Algae
12. Structures
blade
bladder
stipe
holdfast
13. How does the body plan compare to a typical plant?
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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.
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Phylum Amoeboids: Amoeba
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Phylum Green Algae: Volvox
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Phylum Brown Algae
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Phylum Green Algae: Ulva
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Phylum Ciliates: Paramecium
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Phylum Red Algae
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Phylum Dinoflagellates: Ceratium
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Phylum Red Algae