Vocabulary: Life Geography

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Across
  1. 6. diversity among and within plant and animal species in an environment
  2. 7. the living together of two dissimilar organisms, as in mutualism, commensalism, amensalism, or parasitism
  3. 10. a carnivore at the topmost level in a food chain that feeds on other carnivores
  4. 12. the struggle between individuals of the same or different species for food, space, light, etc, when these are inadequate to supply the needs of all
  5. 13. all the individuals of one species in a given area
  6. 14. the nonliving parts of a ecosystem
  7. 16. the trophic level which consumes producers
  8. 19. an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances
  9. 21. a depiction of the amount of energy in each trophic level of an ecosystem
Down
  1. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years
  2. 2. a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community
  3. 3. an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect
  4. 4. a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax
  5. 5. an organism, usually an animal, that feeds on plants or other animals
  6. 7. the sum of the changes in the composition of a community that occur during its development towards a stable climax community
  7. 8. the living parts of an ecosystem
  8. 9. the organism that eats herbivores on a food pyramid
  9. 11. the chain from a food source to the ultimate consumer
  10. 15. an organism that eats only meat
  11. 17. the natural environment of an organism
  12. 18. an organism that eats plants
  13. 20. an organism that can make its own food;at the bottom of food pyramid