Chapter 15. 15·16–15·17 Communities can change or remain stable over time.

Show What You Know - Self Quiz
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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 15·16–15·17 Communities can change or remain stable over time by answering the following questions.

1.

1. Which of the following is an example of primary succession?

A.
B.
C.
D.
E.

Correct. (See section 15·16 Many communities change over time.)
Incorrect. (See section 15·16 Many communities change over time.)

2.

2. Which of the following is an example of a keystone predator?

A.
B.
C.
D.
E.

Correct. (See section 15·17 Some species are more important than others within a community.)
Incorrect. (See section 15·17 Some species are more important than others within a community.)

3.

3. Which of the following life history characteristics would NOT be a useful characteristic in a colonizer plant species?

A.
B.
C.
D.
E.

Correct. (See section 15·16 Many communities change over time.)
Incorrect. (See section 15·16 Many communities change over time.)

4.

4. Which of the following is most likely to lead to the highest levels of biodiversity?

A.
B.
C.
D.
E.

Correct. (See section 15·17 Some species are more important than others within a community.)
Incorrect. (See section 15·17 Some species are more important than others within a community.)

5.

5. Consider the following chronology of events: lichens arrive, mosses arrive, small herbs and wildflowers arrive, shrubs start growing, small trees start growing, tall trees grow. What is the best description of the process occurring?

A.
B.
C.
D.
E.

Correct. (See section 15·16 Many communities change over time.)
Incorrect. (See section 15·16 Many communities change over time.)

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