Across
- 3. only eats plants
- 6. well tested explanation that unites a board range of observations
- 9. the place where a plant or animal lives
- 11. living parts of the enviornment
- 13. an animal that hunts and kills other animal
- 15. all of earths ecosystem
- 17. variation of species
- 18. only eats animals
- 19. the gradual change in a species overtime
- 20. nonliving parts of the enviornment
Down
- 1. a group of similar cells that perform the same
- 2. cells, cells that carry information in the body
- 4. pod-shaped organelles that generate energy for the cells
- 5. an animal that is hunted and killed by predators
- 7. a trait that helps an organim survive and reproduce
- 8. any difference between indivisuals of the same species
- 10. chain, a diagram that shows the relationships among organisms
- 12. an organism that produce its own food
- 14. an organism that cannot make its own food
- 16. basic unit of life