Term
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Definition
| arthropods that have segmented bodys lobster crabs shrimp barnacle |
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Term
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Definition
| head and thorax fused together |
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Definition
| the shell that protects the cephalathorax |
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Term
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Definition
| short appendenges near the mouth used for feeding |
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Definition
| abdominal appendeges adapted for swimming |
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Term
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Definition
| uses environmental heat and behaivor to rgulate it body temperature |
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Definition
| uses internal heat to regulate its body temp |
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Definition
| the hard outer shell of crustaceans it is discarded as the animal grows |
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Definition
| the modified feathery legs of a barnacle, used to catch food |
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Definition
| radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers |
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Term
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Definition
| typically having a soft unsegmented body, a mantle, and a protective calcareous shell |
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Term
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Definition
| a thin layer of tissue between the body and the shell, secretes the shell |
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Term
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Definition
| tubes that act as a snorkel to breath, inhale and exhale water |
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Term
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Definition
| having a single, usually coiled shell or no shell at all, a ventral muscular foot for locomotion, and eyes and feelers located on a distinct head. |
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Term
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Definition
| cling to rock graze on algae |
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Definition
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Definition
| an extention used to capture or collect food near the mouth |
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Definition
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Definition
| mussel oyster, scallop clam |
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Term
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Definition
| an aquatic animal such as a clam or balleen whale that shirts algae from the water |
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Term
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Definition
| most advanced group of mollusks spuid octopuses |
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Term
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Definition
| gland that some cepapods use to spray dark fluid to discourage predators |
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Term
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Definition
| structures on underside of the arms of echinoderms which help them attach to surfaces |
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Term
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Definition
| bulb like sacs on upperend of each tube foot that contract legs longer |
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Term
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Definition
| jointed-foot invertebrates: arachnids; crustaceans; insects; millipedes; centipedes |
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Term
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Definition
| chordate marine animals having a cylindrical or globular body enclosed in a tough outer covering and including the sea squirts and salps. |
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Term
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Definition
| One of many minute calcareous particles found in the inner ear of vertebrates and in the statocysts of many invertebrates |
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Term
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Definition
| having a domed carapace that is shaped like a horseshoe and a stiff pointed tail |
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Term
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Definition
| A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini |
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Term
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Definition
| colored as a warning that they are poisonous |
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Term
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Definition
| naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles |
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