What are the four main components of Darwin’s theory of evolution?

There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.

Explanation:

Sample Response: Darwin concluded that organisms become different over time and that all organisms have common ancestors. He also stated that the evolution of a population occurs slowly over an extended period of time and that natural selection is the process that drives evolution.

d. cellulose and starch