Respuesta :
"It was validated after scientists completed several investigations to gather evidence" is the statement among the statements given in the question that is correct about the Theory of Natural Selection. The correct option among all the options that are given in the question is the last option or option "D".
Answer:
D. It was validated after scientists completed several investigations to gather evidence.
Explanation:
The importance of the Theory of Natural Selection relies on the fact that evolution gradually happened because of it, and nobody knew how it worked, only that species changed over time, but as the Theory of Natural Selection, the reproduction of the fittest, and the dying of the unfitted, was the result of adaptation, for example the Birds in the galapagos that over time changed their beaks depending on what they had available to eat.