ecology 1

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Across
  1. 6. an organism that creates energy (first trophic level)
  2. 8. environment that holds several different organisms.
  3. 9. the seasonal travel. of a species.
  4. 10. the number of organisms a space can hold.
  5. 11. an animal that hunts other animals for food.
  6. 13. the area in which a group of organisms lives in.
  7. 15. organism that eats other organisms for energy ( second - fourth trophic level).
  8. 16. a group of organisms that are nonnative to a given ecosystem.
  9. 17. the energy conversion rate from one trophic level to another.
  10. 18. any living thing.
  11. 19. the variation of traits within a species.
Down
  1. 1. something that limits a space's carrying capacity.
  2. 2. shows the flow of energy within an ecosystem.
  3. 3. second organism to receive energy from the producer.
  4. 4. first organism to receive energy from a producer.
  5. 5. organisms that are hunted by predators.
  6. 7. the fight between two or more species over resources.
  7. 8. used to demonstrate the energy transfer between trophic levels.
  8. 12. the variety of different organisms in any given space.
  9. 14. used to describe the order in which organisms receive energy