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Key Concepts Quiz

This activity contains 11 questions.

Question 1
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Macroevolution can be defined as _____.
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Question 2
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The _____ species concept is the most applicable to classifying species from the fossil record?
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Question 3
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When a horse and a donkey mate, they produce infertile hybrids called mules. According to the _____ species concept, horses and donkeys are _____.
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Question 4
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Two species of clams inhabit the same marine habitat along the Atlantic coast. One releases gametes into the water in early spring, and the second species releases gametes into the water in late summer. Which type of reproductive barrier is at work between these species?
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Question 5
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Two rodent populations become separated when a large canyon develops in a previously unbroken forest. When is allopatric speciation between the two populations complete?
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Question 6
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Which population would be most likely to undergo relatively rapid allopatric speciation?
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Question 7
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Which type of organism is most likely to undergo sympatric speciation by polyploidy?
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Question 8
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A diploid cell in a plant undergoes chromosome duplication but fails to divide properly, initiating a tetraploid (4n) branch. This branch produces a 4n flower. What can happen next?
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Question 9
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The two species of finches studied by the Grants on Daphne Major are known to hybridize. What is their status?
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Question 10
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In which of the following situations is adaptive radiation least likely to occur?
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Question 11
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What is shown in the figure below?

question #2
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