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High School Biology: Communities and Populations - The Biodiversity Crisis (Fill in the blank)
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Avg score: 84% • Most missed: “Insects and birds ____________ flowering plants, including crop plants.”
High School Biology: Communities and Populations - The Biodiversity Crisis (Fill in the blank)
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8 Questions

1. ____________ purify water in rivers and lakes.

2. Plants and algae maintain the ____________.

3. The single biggest cause of extinction today is ___________.

4. Natural predators control insect ____________.

5. Wild plants and animals maintain a valuable pool of genetic ____________.

6. Certain species may warn us of ____________ in the environment.

7. Insects and birds ____________ flowering plants, including crop plants.

8. More than half of the most important prescription ____________ come from wild species.

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