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15 Cards in this Set
- Front
- Back
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4 characteristics of animals |
Eukaryotic, multicellular, mobile, heterotrophic |
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What separates animals from all other kingdoms |
Mobility |
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Organisms that can move from place to place |
Motile |
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Organisms that are permanently attached to an area |
Sessile |
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One major divisions in the phylogenetic tree is the division between what |
Vertebrates and invertebrates |
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What does a backbone protect |
Main nerve cord |
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Having no particular arrangement |
Asymmetrical |
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All body parts radiate from one central point |
Radial symmetry |
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Body parts arrange in 2 sides are mirror images |
Bilateral symmetry |
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Top surface of radial symmetric organisms |
Dorsal |
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Bottom surface of a radial symmetrical organism |
Ventral |
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Front end of a bilaterally symmetric animal |
Anterior |
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Rear end of a bilaterally symmetrical animal |
Posterior |
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The plane that divides a bilateral animal |
Medial |
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Repeating units or segments of an organism |
Segmentation |
