what are sea shells?

Question

how are shellshells formed? I know this sounds stupid, but i'm really not sure!

Answer 1

Sea shells are the exterior skeletons (exoskeletons) of a group of animals called mollusks. The word 'mollusk' means 'soft-bodied.' They make their shells from calcium that they derive from their environment, either the food they eat or the water they dwell in. When a tiny mollusk hatches from its egg, it comes into the world equipped with a tiny shell. This shell is actually a part of the animal, growing as it grows, accommodating its needs. Each different species of mollusk makes a shell that is, in most cases, unique to it alone.

Answer 2

They are the protective shell that the sea creatures used. When they died the body would decay first.Sometimes you can find shells with the creature inside. The shells just wash up with the tide. I think they are made from calcium mixed with something.

Answer 3

hay sea shells are formed with calcium they are an exoskeleton they grow with the creature (little mobile homes) one exception is the hermit crab it uses the left behind shells of deceased sea creatures:)

Answer 4

Try these sites for some good information ...

http://manandmollusc.net/

http://www.conchologistsofamerica.com/home/

On this last site, click on "the shells", at the bottom of the list, This addresses your question directly.

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Answer 5

i think they are just the shells of dead animals, like sea snails, crabs etc. that have died, decayed and left their shells behind as these do not decay anywherer near as fast

hope that helps

seasons greetings x

Answer 6

sea shells are shells in sea.they are made up of calcium.

Answer 7

Seashells are the outer body coverings of animals like clams, scallops, hermit crabs, etc.

Answer 8

you already have your answer above, so now repeat after me '' I see a sea shell sitting on a sea shore'' now say it FAST..