Across
- 4. all living components in an environment
- 9. the animal that is hunted and killed
- 11. traces the path of energy
- 13. the number of individuals that an ecosystem can support
- 14. all non-living and living things in an environment
- 15. groups of organisms within its ecosystem
- 17. shows how foods energy passes from one orangism to the next
- 19. non-living things in an environment
- 20. both species benefit
Down
- 1. make their own food
- 2. hunts or kills another animal for food
- 3. anything that can limit the size of a population
- 5. return nutrients to the soil by consuming waste
- 6. shows the network of many interconnected food chains
- 7. the transfer of energy one organism to another
- 8. need to consume food from another source
- 10. place where living things live
- 12. Large geographic areas with similar climates
- 16. any living thing in an ecosystem
- 18. each level of the energy pyramid
