Question 1

How did Darwinʹs evolutionary theory change the significance of the taxonomic categories of organisms?

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Question 2

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

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Question 3

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

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Question 4

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

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Question 5

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

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Question 6

Explain how systematics and Linnaean taxonomy differ.

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Question 7

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 8

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

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Question 9

How do Archaea and Bacteria differ?

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Question 10

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

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Question 11

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

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Question 12

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

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Question 13

Fungi and animals belong to the domain___________ .

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Question 14

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

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Question 15

HIV appears to have developed from a(n)___________ .

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Question 16

Sponges and worms belong to the domain___________.

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Question 17

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

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Question 18

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

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Question 19

Ferns and flowering plants belong to the clade___________ .

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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