Mollusks

In Glogpedia

by clairejohnn
Last updated 6 years ago

Discipline:
Science
Subject:
Zoology
Grade:
7

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Mollusks

Mollusks have three classes: Gastropoda, Cephalopoda, and Bivalvia

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Mollusks have a mantle that secretes a hard shell that covers and protects mass

Mollusks

There are over 70,000 mollusk species split into several major classes

Mollusks exhibit bilateral symmetry.

Octopus and squids

Clams, oysters, mussels and scallops

Pond snails and land slugs

Most mollusks have an open circulatory system.

There are approximately 100,000 species of mollusks


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