Question

Crab and Snail both have a protective
covering. Is it made up of the same
material? plz fast my friend ​

Answer 1

Answer:

Crab and snail” both are having a protective covering and is not made of same material.

Explanation:

Crab composed of iron sulphide in the outer layer while snail’s outer wall is made of calcium carbonate.

This calcium carbonate will dissolve and the snail let as bare body in water.

This crab is the three-layered armour.

These are based on fossil record analysis.

So, that the crab and snail’s protective covering is made of different material.

Thanks

Answer 2

Answer:

Crab and snail” both are having a protective covering and is not made of same material.

Explanation:

Crab composed of iron sulphide in the outer layer while snail’s outer wall is made of calcium carbonate.

This calcium carbonate will dissolve and the snail let as bare body in water.

This crab is the three-layered armour.

These are based on fossil record analysis.

So, that the crab and snail’s protective covering is made of different material.