Across
- 2. organism that eats only animals
- 3. organism that gets energy and matter by eating other organisms
- 4. smallest unit of a living organism
- 6. two or more atoms held together by chemical bonds
- 8. process without a true beginning or end; loops continuously
- 12. organism that eats both plants and animals
- 13. smallest unit of a substance that has the same properties
- 14. living things fixing a problem
- 15. substance made of two or more different elements
- 17. anything living or nonliving that has mass and takes up space
Down
- 1. plant food or minerals
- 2. to protect or save a resource or group
- 5. process of a dead organism breaking down
- 7. ability to cause change
- 9. organism that eats only plants
- 10. organism that uses matter and energy and matter to make their own food
- 11. organism that gets energy and matter by breaking down dead organisms
- 16. most basic unit of a substance