Across
- 4. organism that makes its own food
- 7. substance that living things need to survive (fat, protein, carbohydrates)
- 9. all the living and nonliving things that surround an organism
- 10. an animal that is hunted and eaten by another animal
- 11. break down into simple nutrients
- 13. a drawing, object or idea that represents an event, object or process
- 16. a waste product made by cells of the body
Down
- 1. small organism your eyes can’t see
- 2. any individual living thing
- 3. a group of different populations that live together and interact in an environment
- 4. to put harmful materials into the air, water, or soil
- 5. a group of organisms that share similar characteristics and can mate with each other for offspring
- 6. model that shows one set of feeding relationship among living things
- 8. create new material from used products
- 12. an animal that hunts and eats other animals
- 14. the many different types of life that exits in an environment
- 15. model for different feeding relationships between living things
- 16. organism that eats other living things for energy
- 17. to break down