Across
- 2. diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web
- 5. A consumer that eats only animals.
- 7. Nonliving components of environment.
- 9. part of Earth in which life exists including land, water, and air or atmosphere
- 10. All the different populations that live together in an area
- 12. total amount of living tissue within a given trophic level
- 14. An organism that cannot make its own food.
- 15. A community of organisms where there are several interrelated food chains
- 17. An organism that breaks down wastes and dead organisms
- 19. A relationship between two organisms in which one organism benefits and the other is unaffected
Down
- 1. Ecological rule that states that no two species can occupy the same exact niche in the same habitat at the same time
- 3. A consumer that eats only plants.
- 4. Place where an organism lives
- 6. Scientific study of interactions among organisms and between organisms and their environment
- 7. An organism that makes its own food
- 8. A biological community of interacting organisms and their physical environment.
- 11. All the living organisms that inhabit an environment
- 13. organism that feeds on plant and animal remains and other dead matter
- 16. A series of steps in which organisms transfer energy by eating and being eaten
- 18. A group of ecosystems that share similar climates and typical organisms
