Question 1

Dogs, wolves, foxes, and coyotes are genetically similar and form a group called a _ .

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Question 2

groups are groups in which all members are descendants of a common ancestor.

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Question 3

groups contain only some of the descendants of a common ancestor.

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Question 4

How did Darwin's evolutionary theory change the significance of the taxonomic categories of organisms?

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Question 5

Briefly explain why the adoption of a standard, two- part scientific naming system is helpful to biologists.

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Question 6

Ferns and flowering plants belong to the clade _ _.

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Question 7

Why are Archaea and Bacteria, which are both prokaryotes, different domains?

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Question 8

Organisms that reproduce do not meet the standard criterion of a species.

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Question 9

Based on current hypotheses, the prokaryotic group that gave rise to eukaryotes is the .

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Question 10

Fungi and animals belong to the domain .

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Question 11

Sponges and worms belong to the domain .

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Question 12

HIV appears to have developed from a(n) .

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Question 13

How can DNA tell you how closely related two organisms are?

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Question 14

List the following taxonomic categories from the most specific to the most general: genus, domain, family, phylum, order.

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Question 15

How do Archaea and Bacteria differ?

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Question 16

Two butterflies have identical wing patterns, but in one the pigment is blue and in the other the pigment is yellow. The original ancestor had green wing pigments. The wing pigment is an example of a(n) .

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Question 17

Explain how systematics and Linnaean taxonomy differ.

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Question 18

Why can organisms that look physically similar belong to different clades?

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Question 19

The smallest diagnosable group that contains all the descendants of a single common ancestor is a(n) .

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Question 20

Eukaryotes that are not plants, animals, or fungi are classified as .

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Quiz 19: Systematics: Seeking Order Amid Diversity