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