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Biology: The Unity and Diversity of Life

Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter 22

Protists-The Simplest Eukaryotes - all with Video Answers

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Chapter Questions

02:02

Problem 1

True or false? Some protists are more related to plants than to other protists.

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Omar Gonzalez
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01:04

Problem 2

2. Diplomonads and parabasalids often live in anaerobic habitats and lack th_________ used in aerobic respiration.

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Omar Gonzalez
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01:08

Problem 3

Radiolarians and diatoms have a shell of ______________ .

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Omar Gonzalez
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04:12

Problem 4

Which of the following might you find in seawater?
a. an apicomplexan
c. a dinoflagellate
b. a cellular slime mold
d. a euglenoid

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03:20

Problem 5

Diatoms are most closely related to the ___________.
a. dinoflagellates
c. green algae
b. water molds
d. red algae

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Jade Schlamb
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00:58

Problem 6

Chloroplasts of green algae evolved from ___________.

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01:20

Problem 7

Green algae are most closely related to _____________ algae.

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01:10

Problem 8

The kelp life cycle, with its haploid and diploid multicelled stages is an example of ____________.

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01:14

Problem 9

Ciliates_____________ through conjugation.
a. exchange genes
c. emit light
b. deter predators
d. infect cells

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02:01

Problem 10

Which species does not cause human disease?
a. Toxoplasma gondii
c. Dictyostelium discoideum
b. Entamoeba histolytica
d. Trichomonas vaginalis

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01:24

Problem 11

________ is produced from red algae.
a. Diatomaceous earth
c. Carrageenan
b. Algin
d. both b and c

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08:21

Problem 12

Match each term with its most suitable description.
______diplomonad ______apicomplexan algal ______bloom ______diatom ______brown alga ______red alga ______green alga ______slime mold
a. protist population explosion
b. silica-shelled producer
c. multinucleated motile mass
d. no mitochondria, anaerobic
e. closest relative of land plants
f. multicelled, with fucoxanthin
g. agent of malaria
h. deep dweller with phycobilins

Omar Gonzalez
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