Answer:
Answer ; adaptations to different environmental conditions
Step-by-step explanation:
Charles Robert Darwin is an English man who developed a theory about evolution by natural selection became the standard or fundamental of modern evolutionary studies.
His proposition was that all species of living things have evolved overtime from known ancestors.
He defined or explained natural selection by which traits are preserved.
He highlighted about four points on theory of evolution. These points are that
* the individual of a specie are not identical.
* traits or characters are passed from a generation to other.
* more young ones or offspring are reproduced than can survive.
* only the survivors of a competition for resources will carry out reproduction.