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Biology: Ch. 17 Test

21 Questions  I  By Iretro
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Biology: Ch. 17 Test

  
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Question Excerpt

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1.  Which domain contains all organisms that have a nucleus?
A.
B.
C.
D.
2.  Which of the following phrases describes a taxon?
A.
B.
C.
D.
3.  Which of the following is the most specific taxon shared by the ashy-headed goose, Chloephaga poliocephala, and the ruddy-headed goose, Chloephaga rubidiceps?
A.
B.
C.
D.
4.  In the cladogram in Figure 17.1, what represents the common ancestor of all the included species?
A.
B.
C.
D.
5.  In the cladogram in Figure 17.1, what type of information would go in the area labeled B?
A.
B.
C.
D.
6.  Which of the following contains the most members?
A.
B.
C.
D.
7.  Figure 17.2 shows differences between humans and other animals at a molecular level. By this measure, which listed species is least related to humans?
A.
B.
C.
D.
8.  How many domains are there in the most current tree of life?
A.
B.
C.
D.
9.  Which type of molecular clock is used to measure evolutionary time between the most distantly related organisms?
A.
B.
C.
D.
10.  In the Linnaean system of classification, which of the following is most commonly defined as a group of organisms that can breed and produce offspring?
A.
B.
C.
D.
11.  The name Canis lupis is an example of:
A.
B.
C.
D.
12.  Which of the following types of evidence is considered the most accurate in classifying organisms, according to the majority of scientists?
A.
B.
C.
D.
13.  Which of the following is the most abundant group of organisms on Earth?
A.
B.
C.
D.
14.  Which of the following uses mutation rates to measure evolutionary time?
A.
B.
C.
D.
15.  How many nodes are shown in the cladogram in Figure 17.1?
A.
B.
C.
D.
16.  In the blank cladogram in Figure 17.1, what type of information would go on the lines labeled A?
A.
B.
C.
D.
17.  Organisms are named and classified based on physical characteristics in:
A.
B.
C.
D.
18.  Figure 17.2 shows one set of genetic differences between humans and other animals. By this measure, which listed species is most related to humans?
A.
B.
C.
D.
19.  Which of the following lists Linnaean taxa in the correct order from general to specific?
A.
B.
C.
D.
20.  The modern classification system is mainly based on:
A.
B.
C.
D.
21.  How many kingdoms are there in the most current tree of life?
A.
B.
C.
D.
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