Biology

12345678
Across
  1. 1. nonliving part of the environment
  2. 3. any living part of the environment
  3. 5. a group of similar organisms that can breed and produce fertile offspring
  4. 8. the first step in asking ecological questions
Down
  1. 2. everywhere life exists
  2. 4. all the organisms that live in a place
  3. 6. an assemblage of different populations that live together
  4. 7. a group of individuals that belong to the same species