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Which class of molluscs has an asymmetrical body and a distinct head at the anterior end?
Which class of molluscs has an asymmetrical body and a distinct head at the anterior end?
What is the second most diverse group of molluscs, with 60,000 described extant species and 15,000 extinct species?
What is the second most diverse group of molluscs, with 60,000 described extant species and 15,000 extinct species?
Which part of a gastropod's body lies within the shell?
Which part of a gastropod's body lies within the shell?
In some marine gastropods, water is taken in through an inhalant siphon that lies in a _______ canal.
In some marine gastropods, water is taken in through an inhalant siphon that lies in a _______ canal.
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What is the main component of a gastropod's shell?
What is the main component of a gastropod's shell?
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