The best description of natural selection is `:`

Unit of natural selection is:

The unit of natural selection is :

Sickle-cell anaemia, the best example of natural selection, is due to gene modification related to amino acid of

Give a brief description of natural and synthetic polymers

Differentiate between Directional natural selection and Disruptive natural selection.

What is significance of natural selection?

Which is the best description of a covalent bond?