If there are no differences between amino acid sequences in cytochrome c protein of human beings and chimpanzees, why aren’t we the same species?

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

Aneutral atom must have the same number of neutrons and protons? no, they must have the same number of protons and electrons