Across
- 2. many different items
- 4. invisible transfer of energy by waves through empty space
- 7. cause a change
- 10. places where animals and plants live and grow
Down
- 1. group of organisms that produce organisms of the same kind
- 3. against the rules or against the law
- 5. clues or evidence that something was there
- 6. living things
- 8. doing something right away
- 9. extremely large
