Animal

3. Located in the body cavity and is derived
9. An animal without a backbone
10. When the body plan can be divided along a plane that splits the animal body into right and left sides
11. Are those with no pattern or symmetry, such as a sponge
15. One of two principal body types occurring in members
20. Are those that generate their own body heat through internal metabolic processes
21. A structural frame on the inside of an animal

1. A flexible and avascular connective tissue that provides support
2. Eggs that are encased by extra embryonic membranes
4. An animal that has a backbone and a skeleton
5. A unique,hydraulic system found in echinoderms
6. An animal or plant having both male and females reproductive organs
7. Animals that are unable to regulate their own internal body temperature
8. The process by which animals shed worn out fur
12. Milk producing gland characteristic of female mammals and present in a rudimentary and generally
13. The vascular supplied with blood vessels organ in most mammals that unites the fetus to the uterus of the mother
14. An asexual mode of producing new organisms
16. A hard,external,protective covering that supports and protects the bodies of certain animals
17. Animals that live on the sea floor
18. A body plan where parts are arranged symmetrically around a central axis
19. One of two body forms found in the phylum Cnidarian (like jellyfish and corals)