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What uses the carbon to build their skeletons and shells?

Life on Earth is carbon based, so all animals with skeletons and shells use carbon. A more 'common' element used in skeletons and shells is calcium.


What is a mother of pearl mineral?

Mother of pearl is made from the shells of various molluscs , and is mostly various calcium carbonates. Go look at wikipedia.


How many shells exists in an atom and what are the names of that shells?

The number of shells varies. The row number of the element is the number of shells. They don't really have names, but they're referred to by how many levels they are away from the nucleus.


According to the fossil record how many years ago did life first seem to appear on Earth?

The Cambrian Explosion, a period between about 540 and 530 million years ago when many major animal groups appeared in the fossil record. This is when animals first developed hard shells and skeletons, so they became much more easily fossilised. Nobody is quite sure what caused the Cambrian Explosion, but increased oxygen levels in the air after the melting of a huge ice age around 600 million years ago may have led to an increase in the size of animals in the oceans; in turn they developed skeletons and shells to support their larger bodies. The evolution of predators may have inspired prey animals to develop shells, as well. We do have fossils before the Cambrian Explosion, but these are simple, soft-bodied, small and rare, so the origins of animals are still shrouded in mystery.


What is electronic shells?

A shell surrounding the nucleus of an atom containing electrons.

Related Questions

What animals that has a pair of hard shells?

Bivalves ( clams. mussels, scallops)


Why oyster and mussels need to shed their shells?

Oysters and mussels do not shed their shells. They are bivalve molluscs and their shells grow larger with age.


What do bat stars eat?

They eat mussels and other animals with shells.


What mineral is found in the shells of certain animals such as corals and clams?

Aragonite, a carbonate mineral.


What are mussels grown on?

I think its their shells.


Do mussels have protective shells?

Yes.


Are mussels animals or plant?

Dont know i was actually asking the same thing. I'd laugh if this is the best answer lol


Why don't oysters and mussels need to shed their shells?

Their shells grow as the organism grows


How did carbon in the atmosphere get into the shells of mussels?

Mussels absorb carbon into their shells from the ocean water. The carbon is in the form of calcium carbonate, which mussels extract from the water to build their shells. When carbon dioxide in the atmosphere dissolves in the ocean, it forms carbonic acid, which can break down to release carbonate ions that mussels use to create their shells.


What is a shellfish with two shells called?

clams, oysters, or mussels


Is limestone a sedimentary rock made from shells of sea animals?

Yes, limestone is a sedimentary rock primarily made up of calcite and aragonite minerals, which are derived from the shells of marine organisms. Over time, these shells accumulate and are compacted to form limestone rock.


What are the little blue shells that you find on sea rock?

The dark blue clumps of oval shaped shells are called mussels.