Charles Darwin postulated that species adapt over time to the environment around them. Since Darwin makes the claim, the burden of proof rests on his shoulders. However, supporters of Darwin often claim that evolution is correct because it is unfalsifiable. | Charles Darwin postulated that species adapt over time to the environment around them. Since Darwin makes the claim, the burden of proof rests on his shoulders. However, supporters of Darwin often claim that evolution is correct because it is unfalsifiable. |