Across
- 2. The area or environment where species normally live.
- 8. A group of similar living organisms that look alike and can reproduce to have offspring.
- 9. A phenomenon characterized by a general increase in average temperatures of the Earth, which modifies the weather balances and ecosystems.
- 10. The natural world in general, including plants, animals, landscapes, water, air, and other living things.
Down
- 1. Any factor that hurts an animal/plant or its habitat.
- 3. The variability among living organisms on the Earth, including the variability within and between species.
- 4. Things humans use that come from nature (water, wind, fossil fuels).
- 5. A community of living organisms (plants and animals) and nonliving components (air and water) interacting as a system.
- 6. Able to continue for a long time without harming the environment or using up natural resources.
- 7. Any wild place that we don't want to see ruined by humans.