Across
- 1. chemical reactions in the body
- 3. a description or observation
- 5. an organism that produces it own food
- 6. the amount or measure
- 11. the body's ability to maintain stable internal conditions
- 12. a Unicellular organism
- 14. Offspring come from two parents
- 15. living or once living things in an environment
Down
- 2. Offspring come from one parent
- 4. multiple cells
- 7. cells specialize into different types
- 8. an organism that gets food from other organisms
- 9. non-living things in an environment
- 10. single celled
- 13. a Multicellular organism