Science

3. vertebrate with feathers.
6. animal with a backbone.
8. animal with moist skin no scales.
10. kingdom of organisms that have only one cell and a nucleus, or cell control center.
14. kingdom of organisms that have only one cell and no nucleus.
15. animal that has hair and produces milk for its young.
16. The grouping of things by using of rules.

1. plants-A plant that has tubes for transporting food and water.
2. vertebrate that lives in water.
4. animal that has dry, scaly skin.
5. second smallest grouping used in classification.
7. An animal without a backbone
9. largest group into which living things are classified.
11. plants-A plant that does not have tubes for transporting food and water.
12. things such as mushrooms that look like plants, but cannot make their own food.
13. smallest grouping used in classification.