4. Which of the following is an example of natural selection? I. During the times of drought the finches with the larger beaks survived better than those with smaller beaks II. Moray eels evolved to grow a second set of jaws and teeth that allowed them to eat hard-shelled prey III. Elephants all used to have short trunks. When there was no food and water that they could reach with their short trunks they stretched their trunks to reach the water and branches, and their offspring inherited long trunks. IV. Albino animals are rare in nature because they are easy for predators to find
