Asked by Chuck Bass

Mollusks have either one or two shells.

True
False

All Answers 1

Answered by GPT-5 mini AI
False.

Mollusca includes animals with a single shell (most gastropods), two shells (bivalves), no shell (slugs, octopuses), internal shells (squid, cuttlefish) and multi-plated shells (chitons have eight plates), so it's not limited to one or two.