13.1 Mollusks brettv
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the mantle? | a thin layer of tissue that covers the body organs
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| What is the visceral mass? | it is the area in a mollusk that contains most of its organs
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| What is a gill? | gills are located in the mantle cavity and let out carbon dioxide and exchange it with oxygen
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| Describe an open circulatory system | the heart moves the blood into the open spaces around the body organs. The blood which contains nutrients and oxygen, completely surrounds and nourishes the body organs
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| Give 3 examples of gastropods | snails, conchs, and abalones
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| Describe the radula | it is a tonguelike organ that has a row of teeth to obtain food
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| What can you compare a radula to? | a nail file
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| What type of circulatory system do gastropods have? | an open circulatory system
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| Give an example of a bivalve | clams
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| What are bivalves? | very strong muscles on mollusks
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Created by:
bvazquez
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