Which Statement About The Brown Algae Is Not True

1. Protists with flagella a. appear in several protist clades.

b. are all algae.

c. all have pseudopods.

d. are all colonial.

e. are never pathogenic.

2. Which statement about amoebas is not true?

a. They are specialized.

b. They use amoeboid movement.

c. They include both naked and shelled forms.

d. They possess pseudopods.

e. They appeared only once in evolutionary history.

3. Apicomplexans a. possess flagella.

b. possess chloroplasts.

c. are all parasitic.

e. include the trypanosomes that cause sleeping sickness.

4. The ciliates a. move by means of flagella.

b. use amoeboid movement.

c. include Plasmodium, the agent of malaria.

d. possess both a macronucleus and micronuclei.

e. are autotrophic.

5. The acellular slime molds a. include the genus Physarum.

b. lack fruiting bodies.

c. consist of large numbers of myxamoebas.

d. consist at times of a mass called a pseudoplasmodium.

e. possess flagella.

6. The cellular slime molds a. possess apical complexes.

b. lack fruiting bodies.

c. form a plasmodium that is a coenocyte.

d. use cAMP as a "messenger" to signal aggregation.

e. possess flagella.

7. The chloroplasts of photosynthetic protists a. are structurally identical.

b. gave rise to mitochondria.

c. are all descended from a once free-living cyanobacterium.

d. all have exactly two surrounding membranes.

e. are all descended from a once free-living red alga.

8. Which statement about the brown algae is not true?

a. They are all multicellular.

b. They use the same photosynthetic pigments as do plants.

c. They are almost exclusively marine.

d. A few are among the largest organisms on Earth.

e. Some have extensive tissue differentiation.

9. The red algae a. are mostly unicellular.

b. are mostly marine.

c. owe their red color to a special form of chlorophyll.

d. have flagella on their gametes.

e. are all heterotrophic.

10. Which statement about the chlorophytes is not true?

a. They use the same photosynthetic pigments as do plants.

b. Some are unicellular.

c. Some are multicellular.

d. All are microscopic in size.

e. They display a great diversity of life cycles.

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Essentials of Human Physiology

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