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Life, 4/e

Ricki Lewis, University of New York at Albany
Mariëlle Hoefnagels, University of Oklahoma
Douglas Gaffin, University of Oklahoma
Bruce Parker, Utah Valley State College

Protista

Testing Your Knowledge

1. Give three examples of how nucleic acid sequencing data have challenged traditional taxonomic classifications of protista.

2. How are the jakobids and the choanoflagellates of evolutionary importance?

3. Name an organism that uses each form of locomotion:

a. beating cilia

b. amoeboid motion

c. flagella movement

4. Name the storage carbohydrates found in plants, diatoms, and green algae.

5. For each of the following structures, cite at least one type of organisms that has it:

a. trichocysts

b. plaomodium

c. frustules

d. apical complex

e. kinetoplast

f. pellicle

g. pyrenoid

h. cyst

i. laminarin

j. pseudopod

6. Name three types of pigments found in protista, and list an organism that has each.

7. Which protista causes each of the following diseases?

a. malaria

b. grape downy mildew

c. amochic dysentery

d. late blight of potato

e. African sleeping sickness

f. toxoplasmosis

g. whirling disease

h. leishmaniasis

i. hiker’s diarrhea

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Additional Questions

1. Protista are small, and some cause disease. This is true of bacteria too. How are protista different from bacteria?

2. Why is it incorrect to blame the Irish potato famine on fungus?

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