7.10 AP Bio Speciation Lesson

Speciation

By Michael Gard

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Multiple Choice

A horse and a donkey are bred to produce a mule, which is sterile. Since they can breed and have offspring together, they are considered the same species.

• True

• False

Multiple Choice

3 species of orchid live in the same rain forest. Each species has flowers that last only one day and must be pollinated on that day to produce seeds. Because the species bloom on different days, they cannot pollinate each other.

• temporal isolation

• ecological isolation

• gametic isolation

• mechanical isolation

Multiple Choice

Which of the following are pre-reproductive barriers to interbreed of species? (choose all that apply)

• geographic isolation

• mechanical isolation

• gradual isolation

• temporal isolation

Multiple Choice

Evolution proceeds by species divergence over long periods of time.

• punctualism

• gradualism

• individualism