Across
- 6. differences in allelic frequ.
- 9. non living physical factor
- 10. alternative forms of a gene
- 11. natural home of animal or plant
Down
- 1. nutrients moving in an ecosystem
- 2. organisms consisting of similar
- 3. all living organisms
- 4. energy moving in an ecosystem
- 5. worldwide sum of all ecosystems
- 7. animals of a particular region
- 8. community of interacting organisms