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Biological Evolution: Unity and Diversity: Vertebrates and Invertebrates
Types of Mollusks
Description
Types of Mollusks
Mollusks are a diverse group of invertebrates that inhabit a wide range of environments, from the ocean floor to forests. They are grouped into major classes based on their body structure and lifestyle. The three main types are gastropods, bivalves, and cephalo...
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Transcript
From snails' slow crawl to squids' fast escape, mollusks come in many forms.
Scientists group them into three major classes: gastropods, bivalves, and cephalopods.
Gastropods are the largest group, including snails and slugs. Most have a single coiled or spiraled shell on their back and use a muscular foot to crawl.
They use ...
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