Term
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Definition
| membrane that aids the embryo inside of the egg |
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Term
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Definition
| Symmetry across the saggital plane |
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Term
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Definition
| Mollusk with two part hinged shell |
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Term
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Definition
| Mollusks with an outer protective shell they can withdraw into |
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Term
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Definition
| Mollusks with an internal shell |
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Term
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Definition
| Repetition of body parts in an animal |
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Term
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Definition
| A Circulatory system where blood stays inside of the vessels |
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Term
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Definition
| A Circulatory system where blood flows out of the vessels, and into sinuses, where it bathes the surrounding tissues |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Rod shpaed structure made of nerve cells running from a chordates head to tail |
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Term
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Definition
| Stiff, rod shaped support structure composed of cells and fluid. Surrounded by a lining of fibrous tissues, Goes from head to tail |
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Term
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Definition
| Openings to the pharyngeal cavity |
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Term
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Definition
| tail located posterior to the anus |
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Term
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Definition
| Internal temp controlled by enviroment |
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Term
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Definition
| internal temp regulated internally by metabolism |
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Term
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Definition
| External covering providing support and support |
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Term
| Paired, Jointed Appendages |
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Definition
| Appendages that come in pairs, and have joints |
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Term
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Definition
| Possesing both male and female sex organs |
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Term
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Definition
| animals w/o vertebral columns |
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Term
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Definition
| Collections of cells w/ common functions |
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Term
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Definition
| Set of glands that provide milk for young |
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Term
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Definition
| Mammals where the young develop inside the mother to a limited extent |
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Term
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Definition
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Term
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Definition
| The shedding of an exoskeleton |
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Term
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Definition
| Collection of tissues with similar functions |
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Term
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Definition
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Term
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Definition
| eggs developed inside body |
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Term
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Definition
| organisms that feed off their prey, but do not kill them |
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Term
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Definition
| Network of maternal and embryonic blood vessels that allow nutrients and oxygen to diffuse to the embryo |
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Term
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Definition
| Mammals that are not classified as marsupial or monotreme |
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Term
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Definition
| Symmetry around a central point |
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Term
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Definition
| Equivalence of size shape and relative position of parts across a dividing line |
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Term
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Definition
| an inflatable bladder in fish that can fill with gas to obtain optimum buoyancy |
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Term
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Definition
| 4 legged terrestrial Mammals |
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