The answer is C- Excretory system. Hope this helps :)
THE ANSWER IS C.) MITOTIC DIVISON
I GOT IT RIGHT ON USATESTPREP...
I don’t know f I am correct but I think it’s C...
A new species is formed when there is a change in the dna or mutation.
It’s where a male or female chooses the opposite gender to be a mate for specific features. Ex.) peacocks choose makes with brighter feathers