Across
- 1. all members of the same species living in an area
- 4. a large area that shares similar climate
- 6. animals that eat flesh
- 10. all parts of earth where life exists in water, land, air
- 11. living
- 13. a system where energy and matter are transferred between living orginisms
- 14. all populations
Down
- 2. any kind of green plants
- 3. eats plants and animals
- 5. all living and nonliving
- 7. non-living
- 8. a single living thing
- 9. only eats plants
- 12. to get energy they eat plants or other animals