Unit 4: Ecology

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Across
  1. 5. measures the number of individual organisms living in a defined space
  2. 6. non native species introduced to an ecosystem that negatively harms it
  3. 10. The process of ecological change in an ecosystem where one community is replaced by another community over time.
  4. 11. a group of organisms of the same species living in the same place
  5. 12. the amount of carbon emitted and its environmental impact
  6. 15. species the first organisms 5o grow in a new environment
  7. 16. the theoretical maximum population that a given environment could support
  8. 18. a mature and stable community of plants and animals
  9. 19. bigger impact on more dense populations
  10. 20. regulate population growth regardless of its size or density
Down
  1. 1. curve graphic representation of mortality patterns.
  2. 2. Population grows quickly at first and the levels off
  3. 3. the normal warming effect when gasses trap heat in the atmosphere
  4. 4. aspects of the environment that limit the size a population can reach
  5. 7. a balance between Earth's resources human need and the needs of other species
  6. 8. formation of a brand new ecosystem
  7. 9. one that remain relatively constant with predictable changes
  8. 13. population grows without limit
  9. 14. living
  10. 17. nonliving
  11. 21. Occurs in an area that was previously occupied by living organisms