Biology (Mader), 10th Edition

Chapter 17: Speciation and Macroevolution

Pre-Test

1
Which of the following correctly describes a species?
A)Members of a species can interbreed
B)Members of a species have a shared gene pool
C)Members are unable to successfully breed with members of other species
D)All of these
2
The process of evolution occurs in _______.
A)families
B)species
C)populations
D)individuals
3
Which of the following would best lead to species formation?
A)Divergence
B)Isolation
C)Evolution
D)All of these
4
Mules are sterile hybrids produced from mating between _______.
A)a female horse and male donkey
B)a male horse and a female mule
C)a male horse and a female donkey
D)None of these
5
Which of the following statements is incorrect?
A)Animals are more likely to show polyploidy than plants.
B)Plants are able to have extra genes with no apparent physiological harm.
C)Most hybrids between plant species are sterile.
D)Polyploidy plants may not be able to reproduce sexually, but asexual reproduction may allow new chromosome combinations to survive.
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