Across
- 4. Process where plants use sunlight to make food.
- 6. Place in a flower where a seed will develop.
- 7. Where most fish take in oxygen.
- 9. Plants that have a circulatory system.
- 11. Supports the body.
- 12. Where animals and humans take in oxygen.
Down
- 1. Hard skeletons on the outside of the body.
- 2. Where living things make other living things that are similar.
- 3. These allow gases in or out on plant leaves.
- 5. These open up on insects to let gases in or out.
- 8. These help hold leaves high to get sunlight.
- 10. Insect that has a hard exoskeleton.