Ecology

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Across
  1. 3. - eat dead organisms that they did not kill themselves
  2. 6. - break organisms down and return nutrients to the soil. They are the recyclers in the
  3. 7. - is the struggle for resources among organisms.
  4. 8. is the study of how organisms interact with the living and nonliving things
  5. 10. is the orderly sequence of changes in the communities living in a given ecosystem
  6. 11. are the living and non living things in the environment that limit the size of populations.
  7. 12. kill and eat other organisms
  8. 15. factors: are living parts of the ecosystem. Example: Plants and animals..
  9. 17. - same as heterotrophs
  10. 19. time.
  11. 20. is a species’ role in it’s environment (it’s JOB and what it EATS)
  12. 21. all the organisms of a species that live in the same area.
Down
  1. 1. - can eat plants & animals
  2. 2. - can only eat plants
  3. 4. is the maximum population (number of organisms
  4. 5. - must eat something for food (consumers)
  5. 9. factors- non-living parts of the environment (rocks, air, pH, sunlight)
  6. 13. - (producers) make their own food by photosynthesis
  7. 14. any species) that an ecosystem can support.
  8. 16. - all the different populations in an areaCompetition - is the struggle for resources among organisms.
  9. 17. - can only eat animals
  10. 18. is the primary source of life's energy on the earth.