Across
- 2. living component of an ecosystem
- 4. mass or weight of living tissue
- 8. only 10% of energy is passed down from one trophic level to another
- 10. organism that can create its own food, like a plant
- 12. variety of living things in an ecosystem
- 15. an organism that helps define an entire ecosystem
- 16. consists of all the organisms and the physical environment with which they interact
- 17. the place in which an organism lives
- 19. an organism that naturally preys on others
- 20. the number of organisms a region can support
Down
- 1. organisms that have to hunt, gather, or eat their food
- 3. an organism that is not native and causes harm to an environment
- 5. the position of an organism in the food chain
- 6. the range of different inherited traits within a species
- 7. interaction between organisms for limited resources
- 9. organism that breaks down dead organic material
- 11. all of the food chains in an ecosystem make up a
- 13. non-living part of an ecosystem
- 14. natural tendency an organism has to react in a certain way
- 18. the organism that a predator eats