Question

why are human beings who look so different from each other in terms of size,colour and looks said to belong to the same species...?

Answer 1

Answer:

human beings look different from each other in spite of belonging to the same species because humans have different genetic make up . The mutation in any Gene causes slight variation and this is the reason for different eye colour , nature of hair , size and body structure etc.

Answer 2

Why are the human beings who look so different from each other in the term of size colour and looks said to be belong to same species?

There are different races of human being which different in external appearance but they all belongs to the same species.

Because all the races:

1. Share the same gene pool.
2. Are capable of interbreeding.
3. Contain the same no. of chromosome in their cell
4. Have common Molecular phylogeny involving DNA sequencing.