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Symmetry Marine Biology Notes
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Asymmetry Without symmetrical shape. Cannot be cut into half in any way and have equal sides with not top bottom or front or back Example Amoeba
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Radial Symmetry Organisms that can be cut in 2 equal halves in many different places. Only have a top and a bottom. Oral and Aboral sides (always moves forward any direction it is going) Examples: Anemone, Jellyfish, Sea Star
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Bilateral Symmetry Organisms that can only be bisected in one place and still have mirror images on each side. Bilateral organisms have a top (Dorsal), bottom (Ventral), front (anterior) and back side (posterior). Examples: Dog, Human, Most higher order animals
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