1
																	2
					3
																				4
			5
											6				7
						8
	9		10
					11
									12
13			14					15								16
											17
											18
					19

Across 3. populations of different species in a given area, interacting with each other 5. an organism that uses the sun's energy to make its own food 6. organisms competing for food and reproduction 10. an organism that feeds on dead organic matter 11. an organinsm that makes its own food 12. an oranism that consumes other organisms 13. a plant-eating animal 17. the place where a species lives 18. nonliving, sterile 19. an animal that is hunted and killed by another animal for food

Down 1. takes energy from dead or living things 2. an animal that feeds on flesh 4. variety oflife in an ecosystem 5. an animal that kills another organism for food 7. a system containing a living community and its nonliving enviornment 8. all members of a species inhabting a given location 9. an organism that feeds upon the dead bodies of animals 14. living factor 15. the study of living things and their environments 16. an organism that lives on or in a host from which it takes its food