Across
- 2. no longer in existence
- 6. all the living and nonliving things that surround and affect an organism
- 9. an animal that is hunted by another animal for food
- 10. living things in an environment
- 15. the transfer of food energy between organisms in an ecosystem
- 16. a living thing, such as a plant, that can make its own food
- 17. a consumer that eats both plants and animals
- 20. a consumer that breaks down waste materials and dead organisms for food
- 21. a consumer that eats only producers
- 23. any living thing
- 24. a group of food chains that overlap
Down
- 1. all the organisms of the same kind that live together in an ecosystem
- 3. a plant or animal that is nonnative to the ecosystem and its introduction causes or is likely to cause changes and damage to that environment
- 4. the place where an organism lives and can find everything it needs to survive
- 5. a meat-eating consumer
- 7. a plant or animal growing or living in a place that is its natural environment
- 8. the contest among organisms for the limited resources of an ecosystem
- 9. an animal that hunts other animals for food
- 11. a group of organisms that live in the same area and interact with each other
- 12. the role a plant or an animal plays in its habitat
- 13. a term describing a population of organisms that is likely to become extinct if steps are not taken to save it
- 14. describes a population of organisms that are likely to become endangered if they are not protected
- 18. a community of organisms and the environment in which they live
- 19. nonliving things in an environment
- 22. a living thing that cannot make its own food and must eat other living things