Name the evidences of ancient life forms which have been preserved by natural processes.

Name the process of origin of life on earth.

Name five varieties of vegetables which have been produced from 'wild cabbage' by the process of artificial selection.

Name five varieties of vegetables which have been produced from 'wild cabbage' by the process of artificial selection.

What are the characteristic of life forms that had been fossilised?

Name the material which is not decomposes through natural process.

Name the material which gets decomposes through natural process.

Assertion: We have lost all the direct evidence of origin of life. Reason : The person responsible to protect the evidence were not skilled.