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Invertabrates quiz

Vocab

TermDefinition
Appendages structure such as claws and and antennaethe grows from the body
arthropod animals that have appendages, an exoskeleton, and bilateral symmetry
closed circularity system blood carried through blood vessels
cnidarian hollow bodied animals that have radial symetry and two celled layers of tissue
exoskeleton a hard body covering that protects an arthropod and reduces water loss
gill organs in which carbon dioxide is exchanged for oxygen
invertabrate animals without backbones
mantle a thin layer of tissue that cover a molluks's body
medusa type of cnidarian that has has a free swimming bell shaped body
metamorphasis the prosess in which insects completely change their form
mollusk soft bodied animals that usually has a shell has a foot and a mantle
open circularity system a system in which blood washed over the organs
polyp a type of cnidarian that has a vase shaped body
radula a scratchy tounge like organ used to scrape off bits of food
symetry the arangement of individual parts of an object
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