Ecology Vocabulary Part 1

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Across
  1. 4. the preying of one animal on others.
  2. 6. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
  3. 7. a community of animals, plants, or humans among whose members interbreeding occurs.
  4. 8. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial
  5. 12. a hierarchical series of organisms each dependent on the next as a source of food.
  6. 15. a living organism that shapes its environment
  7. 17. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  8. 18. a position or role taken by a particular kind of organism within its community. Such a position may be occupied by different organisms in different localities,
  9. 19. an organism that produces organic compounds from simple substances such as water and carbon dioxide; an autotroph.
  10. 20. the natural home or environment of an animal, plant, or other organism.
  11. 21. a system of interlocking and interdependent food chains
Down
  1. 1. a group of interdependent organisms of different species growing or living together in a specified habitat.
  2. 2. the dependence of two or more people or things on each other
  3. 3. an animal that feeds on flesh.
  4. 5. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
  5. 9. an animal or person that eats food of both plant and animal origin.
  6. 10. the strength and vitality required for sustained physical or mental activity.
  7. 11. a biological community of interacting organisms and their physical environment.
  8. 13. a non-living part of an ecosystem that shapes its environment
  9. 14. a large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra.
  10. 16. an organism that derives the organic compounds and energy it needs from the consumption of other organisms; a heterotroph.
  11. 20. an animal that feeds on plants.