Across
- 4. one of a kind rare or uncommon
- 5. a part of something
- 10. when you connect one thing to another thing
- 11. a struggle among plants and animals for food water
- 12. an animal that live in the sea
Down
- 1. energy from sunlight
- 2. an animal that lives in the sea
- 3. living space
- 6. a substance found in plants that enables them to
- 7. to live in a place
- 8. a hard material that forms parts of a skeloton in many
- 9. plankton are tiny plants and animals that live in the