Evolution has exhibited a greater stability of molecular structure when compared with morphological structures. Comment on the statement and justify your opinion. NCERT Exemplar

Explanation

There is a greater diversity in size, form, structure and morphological features in the living world. Yet, at molecular level these diverse types of organisms exhibit unbelievable similarity. For instance, the basic bio-molecules like DNA, RNA, carbohydrates, proteins etc. exhibit remarkable similarity in all organisms.