Anthony Hammond Crossword Puzzle

2. an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
4. A symmetry in which the sides exhibit correspondence or regularity of parts around a central axis.
5. A form of asexual reproduction in which a new individual develops from some generative anatomical point of the parent organism.
7. Lack of equality or equivalence between parts or aspects of something; lack of symmetry.
13. a network of water vessels in the body, the tube feet being operated by hydraulic pressure within the vessels.
16. An organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes.
17. a chemical reaction that absorbs energy
18. a non-vascular type of supporting connective tissue that is found throughout the body
19. One of two principal body forms occurring in members of the animal phylum Cnidaria.

1. Glandular organ located on the chest.
3. any so-called cold-blooded animal
6. An animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc.
8. A form of symmetry in which the opposite sides are similar.
9. located in the body cavity and is derived from an outpocketing of the digestive tube.
10. an organ that connects the developing fetus to the uterine wall, thereby allowing nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.
11. A form of cnidarian in which the body is shaped like an umbrella.
12. rigid or articulated envelope that supports and protects the soft tissues of certain animals.
14. An air-breathing egg characterized by a shell and extraembryonic membranes.
15. organisms at the bottom of freshwater bodies of water, such as lakes, rivers, and streams.