Which tenets of creationism did Darwin disagree with? All species were created at the same time. A creator is necessary for life as we know it. Humans are distinct in fundamental ways from all other life forms on earth. All of the above QUESTION 13 Which of the following provides an example of an adaptation? Larger muscles develop from working out Increased levels of hemoglobin are produced in response to lower oxygen levels Increased shell thickness in the presence of crabs (shell thickness is determined by genes) A very stylish haircut you got last week that makes everyone around you notice how awesome you are. QUESTION 14 Structures as different as human arms, bat wings, and whale flippers contain many of the same bones, these bones having developed from very similar embryonic tissues. How do biologists interpret these similarities? A. By identifying the bones as being homologous B. By the principle of convergent evolution (the similarities evolved independently of each other) C. By proposing that humans, bats, and dolphins share a common ancestor D. A and C only.