Ecology Review (no space in between two word answers)

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Across
  1. 2. A group of living things that are so closely related that they can breed with one another and produce offspring that can breed as well
  2. 7. These affect the number of organisms an environment can support
  3. 9. A single individual animal, plant, fungus, or other living thing
  4. 11. The place where an organism lives in order to obtain its food, water, shelter and other things needed for survival
  5. 15. The first species to move into a lifeless environment
  6. 17. Takes place after a major disturbance to the biological community in a stable ecosystem
  7. 18. All the different populations in a specific area or region at a certain time
  8. 19. The study of how organisms interact with their environment and all the organisms that live in that environment
  9. 20. Non-living factor in an ecosystem
Down
  1. 1. Factor that is a living thing in an ecosystem
  2. 3. When organisms move out of an environment
  3. 4. Migration and ________ are two ways that a population can decrease
  4. 5. The maximum number of organisms that can survive in a particular ecosystem
  5. 6. When organisms move into an environment
  6. 8. The particular role of an organism in its environment
  7. 10. Individual ecosystems grouped together according to the climate and the predominant vegetation and characterized by adaptations of organisms to that particular environment
  8. 12. Migration and ________ are two ways that a popuation can grow
  9. 13. A natural process that involves a gradual change in the plant and animal communities that live in that area
  10. 14. One or more communities in an area and the abiotic factors, including water, sunlight, oxygen, temperature, and soil
  11. 16. All of the individuals of a given species in a specific area or region at a certain time