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Home  arrow Chapter 14: The Origin of Species  arrow Student Home  arrow Pre-Test

Pre-Test



This activity contains 10 questions.

Question 1.
Charles Darwin's main focus was on the gradual process of adaptation within populations. This form of change _____.


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Question 2.
Two animals are considered members of different biological species if they _____.


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Question 3.
Often, the morphological species concept is used to define and describe species. Why?


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Question 4.

The following options are all reproductive barriers. Which one is an example of a prezygotic barrier in which the two different species do mate?

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Question 5.
Which of these is an example of temporal isolation?


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Question 6.
What is the first step in allopatric speciation?


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Question 7.
Sympatric speciation is _____.


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Question 8.

_____ generated many key crop plant species in the past, and continues to be an important method for plant geneticists today.

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Question 9.

The evolution of numerous ecologically diverse species in a relatively short time period, such as Darwin's finches, from a single ancestor is called _____.

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Question 10.

According to the _____ model, evolution occurs in spurts: Species evolve relatively rapidly and then remain unchanged for long periods.

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