Name
Hour
Chapter 20 Protists
Chapter Vocabulary Review
Multiple Choice On the lines provided, write the letter of the onswer that best onswers each question.
1. What
is the name of the type of organism
be.4s7l
a. protist
b. phycobilin
that is not a plant, an animal, a fungus, or a prokaryote?
c. bacterium
d. spore
2. Extensions of cytoplasm for movement and feeding are called (pg. 500)
a. cilia.
c. trichocysts.
b. pseudopods.
d. pellicles.
3. Amoeboid movement is a method of locomotion used by which of the following protozoans? (pg. 500)
a. Zooflagellates
c. Ciliates
b. Sarcodines
d. Sporozoans
4. All of the following play a role in the digestive process of a paramecium
a. vacuoles.
c. anal pore.
b. gullet.
d. trichocysts.
EXCEpT
the (pg. 502)
5. What structures do paramecia use for defense? (pS. 50L)
a. contractile vacuoles
c. filaments
b. pellicles
d. trichocysts
5. Of the two nuclei found in a ciliate, which one contains a "reserve copy" of all the cell's genes? (pg. 501)
a. micronucleus
c. macronucleus
b. nucleolus
d. nuclear membrane
7. What process allows paramecia to exchange genetic material with other paramecia? (pg. 502)
a. asexual reproduction
c. alternation of generations
b. binary fission
d. conjugation
8. What
function of structure A in the diagram of the paramecium shown below? (pg. 502)
a. temporarily stores food.
b. collects, then pumps water out of the organism.
c. releases spiny projections that protect the cell.
is the
d.
used for feeding and movement.
9. What compounds do many algae have to help them absorb light at different wavelengths? (pg. 506)
a. lipids.
c. accessory pigments.
b. proteins.
d. DNAand RNA.
10. What structure in euglenoids help them to detect light? (pg. 507)
a. a pellicle
c. a flagellum
b. an eyespot
d. a micronucleus
11. What is the name of the membrane that covers a euglena? (pg. 507)
a. a trichocyst
c. a stipe
b.
_12.
a
pellicle
d.
a blade
What structures do sporophytes use in reproduction? (pg. 502)
a. trichocysts
b. pellicles
c. stipes
d. spores
Compfetion On the lines provided, complete the following sentences.
13. The small, photosynthetic organisms found near the surface of the ocean are called
(pe. soe)
14. The accessory pigments found in red algae that are especially good at absorbing blue light are called
(pg. s10)
15. The freshwater alga spirogyro forms long threadlike colonies cailed
(pe. s12)
L6. The process in which many types of algae switch back and forth between haploid and diploid stages during
their life cycles is called
(pg. s12)
17. The gamete-producing haploid form of the green alga L)tva is known as a(an)
{pe. s14)
18. The diploid form of Ulva is known as a(an)
(pg. s1a)
Matching On the lines provided, write the letter of the word thot best matcltes each description.
a. cellular slime mold
b. acelular slime mold
c. plasmodium
d.
e. zoosporangium
f.
antheridium
g. oogonium
hyphae
19. single structure of a slime mold with any nuclei (pg. 518)
20. a spore case (pg. 518)
21. has distinct cells during every phase of its life cycle (pg. 516)
22. produces female nuclei in water molds (pg. 59)
23. thin filaments produced by water molds (pg. 5i.S)
24.
_25.
pass through a stage in which
their cells fuse to form large cells with many nuclei (pg. 516)
produces male nuclei in water molds (pg. 519)