Across
- 5. populations of of organisms living together
- 9. a single organism in an environment
- 10. consumer that breaks down dead things
- 13. ways organisms react according to what they eat
- 15. amount of energy available to pass from level of the food chain to the next
- 16. interaction among different food chains in an ecosystem
- 17. no longer exists
- 18. behavior that an organism inherits
- 19. a community and it's physical environment
Down
- 1. a nonnative organism
- 2. same kind of individual in an environment
- 3. longterm relationship between 2 different organisms
- 4. role of a population in it's habitat
- 6. likely to become extinct
- 7. contest among organisms competing for food
- 8. must eat to get the energy it needs
- 11. organism that makes its own food
- 12. likely to become endangered
- 14. place in an ecosystem where a population lives