ecology

123456789
Across
  1. 3. non-living factor
  2. 5. a group of organisms interacting with each other and with their environment
  3. 6. the place where an organism lives
  4. 7. an organism that eats another organism
  5. 8. an organism that makes its own food
  6. 9. the catching killing and eating of another organism
Down
  1. 1. fight between organisms where winner takes all
  2. 2. functional role in the ecosystem
  3. 4. parts of the earth where life can exist
  4. 7. all of the species in an ecosystem