Across
- 2. a natural object that revolves around a planet
- 3. a place that provides all the things an organism needs to live
- 7. a group of organisms of one species that live in an area at the same time
- 10. how hot or cold something is
- 11. an organism that cannot make its own food
- 12. the back and fourth movement of an object
- 13. the struggle among organisms for the same limited resources
- 14. energy due to motion
- 15. one whole spin of an object on its axis
- 16. ability to do work or cause change
Down
- 1. an explosive eruption of waves and particles into space
- 4. no light gets through
- 5. a force that acts at a distance
- 6. any animal that is hunted by others for food
- 8. a consumer that hunts and eats other animals
- 9. an imaginary line around which an object spins