Across
- 3. What gas do plants give off when they are making food?
- 5. Plants and animals that have always lived in a certain area
- 6. Two or more things that depend on each other
- 8. Important or noticeable parts of something
- 9. Soil contains _______ like mineral salts
- 11. Skeleton found inside an animals body
- 14. The natural home of a plant or an animal
- 15. Animals that only eat meat
- 16. Though cords that attach muscles to bones
- 18. To spread from one place to another
- 19. The place where two or more bones meet
Down
- 1. To shed an outer covering to grow a new
- 2. An animal with a bony spine
- 4. Animals with exoskeletons are called ________
- 7. Something to help identify or tell things apart
- 10. Animals that only eat plants
- 12. Animals that eat meat and plants
- 13. There are _______ groups of animals that have an exoskeleton
- 17. Shell or hard covering on the outside of animals
