Across
- 2. a large geographic area with distinct plants and animals
- 5. enables a chemical reaction at a faster rate
- 6. single celled organism without a membrane bound nucleus
- 8. the attraction of unlike molecules
- 10. breaks down dead plants and animals
- 12. the nonliving parts of an ecosystem
Down
- 1. a system composed of organisms and nonliving components
- 3. an organism composed of one or more cells with a membrane bound nucleus
- 4. a macromolecule, fast energy
- 7. a chemical reaction that breaks down polymers with water
- 9. smallest unit of life
- 11. makes up everything