Shell - page 2

Is a shell a natural form?
Shells are made of calcium carbonate, in the mineral form of calcite or aragonite. Animals build their shells by extracting the necessary ingredients—...
What is the spiral shelled animal called?
A whorl is a single, complete 360° revolution or turn in the spiral growth of a mollusc shell. A spiral configuration of the shell is found in numerou...
What makes up an egg shell?
Eggshell is made almost entirely of calcium carbonate (CaCO3) crystals. It is a semipermeable membrane, which means that air and moisture can pass thr...
How do seashells protect themselves?
A few days after baby molluscs come out from tiny eggs, they start building their shell, layer after layer. They use salt and chemicals from the sea (...
What kind of animals use their shell as homes?
Seashells may not be home to molluscs anymore, but they can still be used as homes by hermit crabs or young fish. Birds also use shells to build their...
What is an example of an univalve?
Which of the following is an example of univalve?Which seafood item is an example of a univalve?Is conch a univalve?Which of the following is a univa...
How would you characterize members of the class Gastropoda?
The Class Gastropoda (in Phylum Mollusca) includes the groups pertaining to snails and slugs. The majority of gastropods have a single, usually spiral...
What makes a mollusc a mollusc?
mollusk, also spelled mollusc, any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell sec...
Is a periwinkle a bivalve or a univalve?
Univalve mollusks include periwinkles, snails, abalone, and conch. Their shells come in many shapes, and can look like an nice cream cone, coiled like...