Vocabulary

1. a system of interlocking and interdependent food chains
2. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
5. a particular area or place considered together with its inhabitants
7. the natural home or environment of an animal, plant, or other organism
9. a community of animals, plants, or humans among whose members interbreeding occurs
12. an animal that naturally preys on others
13. the dependence of two or more people or things on each other
16. an area classified according to the species that live in that location
19. interaction of species in which birth, growth and death depend on gaining a share of a limited environmental resource
20. an association between two organisms in which one benefits and the other derives neither benefit nor harm
21. a living organism that shapes its environment
22. the preying of one animal on others
23. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material
24. a non-living part of an ecosystem that shapes its environment
25. a biological community of iterating organisms and their physical environment

1. the series of processes by which food is grown or produced, sold, and eventually consumed
2. interaction between two different organisms living in close physical association, typically to the advantage of both
3. an animal that feeds on plants and meat
4. symbiosis that is beneficial to both organisms involved
6. a comfortable or suitable position in life
8. the practice of living as a parasite in or on another organism
9. an animal that is caught and killed by another for food
10. an animal that feeds on plants
11. an organism that produces organic compounds from simple substances such as water and carbon dioxide
14. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
15. an animal that feeds on meats
17. the process of working together to the same end
18. the strength and vitality required for sustained physical or mental activity
21. made up of the parts of Earth where life exists