Unit 9: Ecology section 1

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Across
  1. 1. the total number of different species in a given area at a given time
  2. 4. a group of different species that live together in one area at the same time
  3. 7. this level recognizes multiple ecosystems that share similar characteristics but are in different parts of the planet
  4. 9. any biotic or abiotic factor that restricts the population size
  5. 10. environment that is mostly land
  6. 12. limiting factors that affect the size of the population regardless of the number of individuals in the population
  7. 16. all of the interacting populations in a community as well as the nonliving parts of the environment
  8. 17. the nonliving parts of an environment
  9. 20. our planet along with all abiotic and biotic factors on it
  10. 22. the limit to how many organisms it can support
  11. 24. begins with a period of slow growth followed by a brief period of exponential growth before leveling off due to limiting factors; often called a "S" shaped curve
  12. 25. a group of organisms, all of the same species, which interbreed and live in the same area at the same time
  13. 26. organisms die and the size of the population decreases
Down
  1. 2. movement of individuals into a population
  2. 3. a species that has an unusually large effect on its ecosystem
  3. 5. environment that is mostly water
  4. 6. limiting factors that are affected by the number of individuals in a given area
  5. 8. role or position a species has in its environment
  6. 11. a group of organisms that are able to interbreed and produce fertile offspring
  7. 13. occurs when a population size increases dramatically over a period of time; often called a "j" curve
  8. 14. place where an organism lives out its life; includes all abiotic and biotic factors
  9. 15. new organisms are born and the size of the population increases
  10. 18. an individual living thing
  11. 19. the living parts of an environment
  12. 21. movement of individuals out of a population and into another population
  13. 23. the study of the relationships between two organisms or between the organism and its environment