The correct answer is a. evolution.
Darwin was the scientist behind the theory of natural selection, one of the main mechanisms behind evolution (next to sexual selection).
Answer: i think sum is wrong with ur spelling but um sum presidents was being put n it or they would b killed
Explanation:
The potato did not come from Ireland. The potato came from Central or South America.
The potato thrived in Ireland. Ireland did not rely on it's own crops, and only planted one crop.
Never put your eggs in one basket...