Across
- 4. important needs for survival such as food, water, air, and shelter.
- 7. the surrounding area where organisms live.
- 9. contains chlorophyll and makes food from sunlight.(plant cell only)
- 12. any biotic or abiotic factors in a environment that restricts population growth.
- 15. to change from one form to another
Down
- 1. a distant group of animals or plants that have common characters and can be bread with each other.
- 2. a non living part of a ecosystem.
- 3. any living thing
- 5. the role that a animal or plant species plays with the environment
- 6. two or more atoms joined together chemically
- 8. a living or once living or once living part of an ecosystem.
- 10. all of the living and nonliving things that interact with with a area.
- 11. large communities on earth with similar climates and organisms.
- 13. a simple sugar which is a important energy source in living organisms.
- 14. long chain of molecules containing genetic information.