Across
- 2. An animal that east plants (or algae) and almost nothing else
- 3. an organism that breaks down droppings or dead organisms
- 4. a mixture of rocks, water, air, parts of dead organisms, and tiny living organisms
- 6. Something taken in by plants and animals that helps them grow
- 8. All the living and nonliving things in an area
- 12. a living thing, such as a plant or animal
- 13. A community of organisms together with its environment
- 14. The stuff that things are made of
Down
- 1. A type of molecule that makes up air and that plants need in order to live
- 4. to stay alive
- 5. Tiny organisms that are too small to see without a microscope and can be found everywhere
- 7. A scientist who studies ecosystems
- 8. The ability to make things move or change
- 9. An animal that eats both plants and animals
- 10. An animal that eats animals and almost nothing else
- 11. Plant-like organisms, such as seaweed, that live in freshwater or salt water and have no flowers or roots
