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Animal Characteristics (8.7)
Pre AP Biology Animal Characteristics (8.7)
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Animals
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Early oceans (Pre-Cambrian times)
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Transition to land (Tiktaalik fossil)
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Coelocanth (Walking fish that lives in the Indian ocean)
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Pangaea separating
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Asteroid causes the extinction of the dinosaurs.
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Animal Classification based on body structure
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Parazoa - Sponges
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Radial - Jellyfish
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Bilateral
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Dorsal (Top/back) of a Killer whale
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Ventral – Bottom/belly
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Anterior
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Cephalization in an Ant eater See all the sensory organs in the head area
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Coelom
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Proto vs. Deutero
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Nervous System –Detecting Stimulus and body control
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Muscular System - movement
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Circulatory System Moving O2 and nutrients
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Respiratory System Gas exchange with the environment
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Digestive System Digest and absorb food
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Excretory System Dispose of nitrogenous waste
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