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High School Biology: Communities and Populations - The Biodiversity Crisis
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High School Biology: Communities and Populations - The Biodiversity Crisis
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10 Questions

1. Over ____________ percent of all species that ever lived on Earth are now extinct.
2. To help protect biodiversity you could
3. The current sixth mass extinction is caused by
4. Wild plants and animals maintain a valuable pool of genetic variation. This is important because
5. Scientists believe there are ____________ species on this planet.
6. Plants and algae maintain the atmosphere by
7. Biodiversity serves an ecosystem by
8. The single biggest cause of extinction today is
9. Economic benefits of biodiversity include
10. Biodiversity refers to

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