"BOTH HUMAN BEING AND CHIMPANZEE HAVE A COMMON ANCESTOR"JUSTIFY STATEMENT BY GIVING REASON BEHIND CONCLUSION?    SIR GIVE THE ANSWER ACCORDING TO BOARD MARKING SCHEME LIMITED WORD REQUIRED AND SOLID ANSWER.


The presence or absence of fundamental characteristics and correlated characters determine the closeness of species. Two species of sponges are closely related as they possess cellular level of organisation.  Human beings are close to chimpanzee because they possess similar mammalian and primate characters. Nowadays closeness of the species is determined by DNA matching.

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