Biology
Across
- 5. when species vanish much faster than they are replaced
- 7. the variety of life in the world or in a particular habitat or ecosystem.
- 8. a natural substance that is not replenished with the speed at which it is consumed
- 10. the fact or process of a species, family, or other group of animals or plants becoming extinct
- 11. a resource of which there is an endless supply because it can be replenished
Down
- 1. the number of different species present in an ecosystem and relative abundance of each of those species
- 2. materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
- 3. the range of different inherited traits within a species
- 4. the study of different ecosystems in a certain location and their overall effects on humans and the environment as a whole
- 6. the state of a species being found in a single defined geographic location
- 9. careful preservation and protection of something