Environmental Unit 4

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Across
  1. 5. A biological community of interacting organisms and their physical environment.
  2. 6. group of individuals of the same species that live in the same area
  3. 10. The study of how living things interact with each other and their environment
  4. 12. the struggle between organisms to survive in a habitat with limited resources
  5. 14. a sudden decline in population
  6. 15. Population growth that is controlled by limited resources
  7. 16. Any living thing
  8. 17. The number of different species in an area
  9. 18. A natural process resulting in the evolution of organisms best adapted to the environment.
  10. 20. A relationship in which two different organisms live in close association with each other
  11. 22. the single factor in shortest supply relative to demand
  12. 24. Breeding organisms with specific traits in order to produce offspring with identical traits.
  13. 25. Population growth that is unhindered because of the abundance of resources for an ever-increasing population.
  14. 26. zone where small numbers can survive these difficult conditions
Down
  1. 1. the combination of all factors that act to limit the growth of a population
  2. 2. All the different populations that live together in an area
  3. 3. range where organisms survive, grow, and reproduce
  4. 4. the difference between what the customer really wants and what he or she will accept before going elsewhere
  5. 7. One organism benefits and the other is harmed
  6. 8. when a population becomes larger than the environment's carrying capacity
  7. 9. Changes in physical structure, function, or behavior that allow an organism or species to survive and reproduce in a given environment.
  8. 10. Change over time
  9. 11. symbiotic relationship in which both species benefit from the relationship
  10. 13. one organism benefits and the other is unaffected
  11. 19. the natural home or environment of an animal, plant, or other organism.
  12. 21. the evolution of new species
  13. 23. part of Earth in which life exists including land, water, and air or atmosphere