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6 Cards in this Set
- Front
- Back
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porifera - No mouth or anus, no symmetry, internal spicules, many pores over the surface through which water is drawn in for filter feeding. Very varied shapes |
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cnidaria - Mouth only, radial, soft but hard corals secrete CaCO3, tentacles arranged in rings around the mouth, with stinging cells, polyps or medusae (jellyfish) |
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platyhelminthes - Mouth and anus, bilateral, soft with no skeleton, flat and thin bodies in the shape of a ribbon. No blood system or system for gas exchange, |
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annelida - mouth and anus, bilateral, internal cavite with fluid under pressure, bodies made up of many ringshaped segments often with bristles and blood vessels that are often invisible |
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mollusca - mouth and anus, bilateral, most have shells made of CaCO3, A fold in the body wall called the mantle secretes the shell. A hard rasping radula is used for feeding |
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arthropoda - mouth and anus, bilateral, external skeleton made of plates of chitin, segmented bodies and legs or other appendages with joints between sections |
