Iguanas on the Galapagos Islands are good swimmers and divers, which gives them the advantage over other species of iguana for being able to find food in the water. Which factor most likely contributes to the natural selection for this species of iguana?

a. Inherited variation

b. Differential reproductive success

c. Competition for space Incorrect

d. Mutations in genetic code

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !