Across
- 3. green substance in plants that makes it possible for them to make food
- 4. organisms that eat other organisms
- 6. the process of breaking down food
- 8. all the plants and animals living in a defined area
- 9. organisms competing for food and living space
- 11. a group of organisms from the same species living in the same place
- 12. organisms that only eat animals
- 15. animals which eat the flesh of dead animals
- 16. organisms that make their own food
Down
- 1. substances which help break down the large molecules of proteins and fats etc in food
- 2. the process where green plants use sunlight to make food
- 5. organisms that only eat plants
- 7. bacteria and fungi that break down dead organisms
- 10. the place where a species lives
- 13. living things
- 14. animals that hunt other animals for food