Question

5. What was Darwin's theory of evolution?​

Answer 1

Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms produce more offspring than are able to survive in their environment.

Answer 2

Natural selection or "survival of the fittest"

Step-by-step explanation:

Creatures that adapt to survive changes will live to reproduce, while the creatures that do not adapt will die out.

Darwin states that evolution happens to natural selection, which is the concept that creatures tend to adapt to their environment.