Question

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

Answer 1

becoz in miosis cell division genetic material change then varieties formed ok if marry b/ w brother and sister then I think no variety form and no evolution occur

Answer 2

Species denotes the common or identical features. Ex:humans are same species as they have common features like two hands ,two legs ,single backbone