Across
- 2. to have many different types
- 4. energy that moves from 1 thing to another
- 7. make difference
- 10. home to animals and plants
Down
- 1. group of living organisms
- 3. to exclude someone or not allow
- 5. to copy over
- 6. any living thing
- 8. without stopping
- 9. a great extent or huge in size
