What is a Mollusk?

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Prepare for the Academic Decathlon Science Test. Study with flashcards and multiple choice questions, each question offers hints and explanations. Get ready for your scientific challenge!

Multiple Choice

What is a Mollusk?

Explanation:
A mollusk is an animal that belongs to the phylum Mollusca, a large group of invertebrates with soft bodies. Most have a mantle that can secrete a shell, a muscular foot for movement, and a visceral mass containing the organs. Many mollusks also have a radula for feeding. The group includes snails and slugs (gastropods), clams and oysters (bivalves), and octopuses and squids (cephalopods). They are distinguished from fish, plants, and birds by being invertebrates with soft bodies, not vertebrate animals like fish or birds, and not plants.

A mollusk is an animal that belongs to the phylum Mollusca, a large group of invertebrates with soft bodies. Most have a mantle that can secrete a shell, a muscular foot for movement, and a visceral mass containing the organs. Many mollusks also have a radula for feeding. The group includes snails and slugs (gastropods), clams and oysters (bivalves), and octopuses and squids (cephalopods). They are distinguished from fish, plants, and birds by being invertebrates with soft bodies, not vertebrate animals like fish or birds, and not plants.

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