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Definition
| a process in wistch an animals body indergoes dramatic changes in form during its life cycle. |
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Definition
| an invertebrate with a unsegmented body most are protected by a shell. |
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Definition
| when blood is not always in side the blood vessels. |
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Definition
| organs tht remove oxygen from the water< |
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Definition
| a thin layer of tissue that covers a mollusks interenal organ and produces a shell |
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Definition
| a flexible ribbion of tiny teeth used to obtain food |
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Definition
| invertevats that have an exteranl skeleton a segemted body and jointed appdages |
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Definition
| waxy outer skeleton
that protects the animal and helps prevent evaporation of water |
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Definition
| an appendaes attached to the head that contains sense organs |
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Term
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Definition
| the process of shedding an outgrown exoskeleton. |
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