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High School Biology: The Theory of Evolution - Macroevolution and the Origin of Species (Fill in the blank)
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High School Biology: The Theory of Evolution - Macroevolution and the Origin of Species (Fill in the blank)
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8 Questions

1. A ____________ is a group of organisms that can breed and produce fertile offspring together in nature.

2. New species arise in the process of ____________.

3. Evolution occurs in response to a change in the ____________.

4. Hawthorn flies lay eggs in ____________ trees and their larvae feed on ____________ fruits.

5. If members of a species remain separated long enough, they may evolve ____________ differences.

6. The hummingbird has ____________ with the tubular flower it pollinates.

7. Speciation through geographic separation is called ____________ speciation.

8. Darwin thought that ____________ occurs gradually.