Across
- 3. animal that can maintain its own body temp
- 6. animals with no symmetry, cephalization, or guts
- 8. mammal with a ouch to raise its young
- 10. living internal support structure
- 11. support structure on the outside of an animal
- 12. property of an object that can be divided evenly
- 13. animal with a backbone
- 14. large group of animals with jointed legs and an exoskeleton
- 15. lives in water when young and on land as an adult
- 16. define boundaries between various animals
Down
- 1. flexible rod found in chordates
- 2. animals with stinging cells
- 4. mammal that provides embryo with food and oxygen with the placenta
- 5. animals with soft bodies, shells,
- 7. animals with a body temp that is determined by their environment
- 9. animal with no back bone