ecology crossword
Across
- 3. release of harmful materials into the environment
- 5. chain a chain of organisms in which each link feeds on the one ahead and is eaten by the one behind
- 8. living and nonliving things in an environment, together with their interactions
- 10. capacity largest amount of a population that can be supported by an area
- 11. the study of living things and their environments
- 12. living
- 15. resource materials found in nature that CANNOT be renewed or replaced
- 16. reaction to a change
- 17. group of the same kind of organism living in a certain place
- 19. factors conditions in the environment that put limits on where an organism can live
- 21. wise use of natural resources
- 22. process of breaking down food so that it can be used by living things
- 23. trait of a living thing that helps it live in its environment
- 24. basic unit of structure and function in living things
- 26. something that happens over and over in the same way
- 28. organism's role, or job, in its habitat
- 29. everything that surrounds a living thing
- 30. process of getting energy from food
- 33. non-living
- 35. gradual change in organisms that occurs when the environment changes
- 37. to act upon eachother
- 38. animal hunted or caught for food
- 39. resource natural resouces that CAN be renewed or replaced
- 41. any living thing
Down
- 1. organisms that obtain food by eating other organisms
- 2. overall weather in an area over a long period of time
- 4. process of moving nutrients and wastes in a living thing
- 6. organism that breaks down the wastes or remains of other organisms
- 7. organism that makes its own food
- 9. animal that eats only dead organisms
- 13. place where an organism lives
- 14. large region of the earth with particular plant and animal communities
- 15. bacteria bacteria that can use nitrogen in soil to make nitrogen compounds
- 18. process of taking in food
- 20. the ability of a living thing to keep conditions inside its body constant
- 25. species kinds of living things that are in danger of dying out
- 26. community last community in a succession
- 27. thin zone of the earth that supports all life
- 29. process of getting rid of wastes
- 31. area where a type of animal or plant population is found
- 32. animal that hunts and eats other animals
- 34. resource materials found in nature that are used by living things
- 36. all populations that live in a certain place
- 40. pyramid way of showing how energy moves through a food chain