Across
- 4. a living organism that shapes its environment
- 6. a biological community of interacting organisms and their physical environment
- 8. a group of people living in the same place or having a particular characteristic in common
- 9. all the inhabitants of a particular, area
- 10. an individual animal, plant, or single-celled life form
Down
- 1. organisms that make their own food
- 2. a large naturally occurring community of flora and fauna occupying a major habitat
- 3. a non-living part of an ecosystem that shapes its environment
- 5. organisms that need to eat food to obtain their energy
- 7. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
