I believe it is scientific laws.
4: a species is a group of interbreeding natural populations that are reproductively isolated from other such groups. Process of Speciation. The process of speciation is a 2 stage process in which reproductive isolating mechanisms arise between groups of populations.
I'm thinking either the first or second answer. Sorry if this doesn't help.<span />
Answer:
Because of the Earths rotation
Explanation:
Hope this helps
