Across
- 4. seaweed is an example of this organism
- 5. the process of converting food into energy
- 8. a gas released during photosynthesis
- 9. an organism that breaks down dead matter
- 11. a list/picture showing linked food sources
- 13. human activity that disrupts an ecosystem
- 15. an animal that feeds on decaying matter
Down
- 1. multiple food chains in an ecosystem
- 2. an animal that only eats plants
- 3. an organism that eats another organism
- 6. plants make energy from the sun
- 7. an animal that eats other animals
- 10. lakes, deserts, and forests are examples
- 12. the sugar made during photosynthesis
- 14. the main source of energy for plants