Organisms and Environments

6. A large community of plants and animals that occupies a distinct region defined by its climate and dominant vegetation.
7. The transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization.
8. The natural home or environment of an animal, plant, or other organism.
10. Organisms that produce their own food from sunlight (like plants in photosynthesis).
12. An animal that is hunted and killed by another for food.
13. An organism that eats only plants.
14. The weather conditions prevailing in an area in general or over a long period.
15. A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
16. Interaction between two different organisms living in close physical association, typically to the advantage of both.
17. An organism that eats only animals.
19. Chain A series of organisms each dependent on the next as a source of food.

1. The prevention of wasteful use of a resource, or the protection and preservation of the natural environment.
2. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
3. Organisms that eat other organisms for energy.
4. A trait that helps an organism survive and reproduce in its environment.
5. The variety of life in a particular habitat or ecosystem.
6. The global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, hydrosphere, and atmosphere.
9. An animal that naturally preys on others.
11. Organisms that break down dead or decaying organisms, and in doing so, carry out the natural process of decomposition.
18. An organism that eats both plants and animals.