Biology

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Across
  1. 2. organisms that capture energy from sunlight and use energy to produce food
  2. 3. series of steps where organisms transfer energy by being eaten
  3. 4. an interacting group of various species in a common location
  4. 9. the total mass of organisms in a given area or volume
  5. 10. the act of entering
  6. 11. organisms that break down organic matter
  7. 14. groups of individuals that belong to species and live in the same area
  8. 16. any relationship where two species live closely together
  9. 18. each step in a food chain
Down
  1. 1. both organisms benefit in the relationship
  2. 5. any biotic or abiotic factor that restricts the existence, number, reproduction, or distribution of organisms
  3. 6. number of individuals an environment can support indefinitly
  4. 7. when one organism benefits, and the other isn’t affected in the relationship
  5. 8. links all food chains in an ecosystem
  6. 9. part of life in which life exists including land, water, and air or atmosphere
  7. 12. a biological community of interacting organisms and their physical environment
  8. 13. the natural home or environment of an animal, plant, or other organism
  9. 15. an organism’s job
  10. 17. an organism deriving its nutritional requirements from complex organic substances
  11. 19. the act of leaving