The process of differentiation that leads to species is one of mutation and replication of DNA. This is not a theory, this is a scientific fact.
Read a textbook instead of ancient holy books. You will, at least, understand why a scientific theory is not just a theory.
Would you, in this era, call this a controversy?
- Only a theory
- Evolution: universally accepted
- A new year of creationist nonsense (whyevolutionistrue.wordpress.com)