Bio 182 Final Exam Questions with Correct Answers

Bio 182 Final Exam Questions with Correct Answers Which of the following would be an example of convergent evolution? A. Hummingbird Bill sizes change in the shape to easily fit into flowers B. Competition among finches of Galapagos islands causing speciation C. Anteaters in Australia and anteaters and South America both developing long narrow skulls D. Maple trees migrating northward after glaciers started to recede in North America - Answer-C. Anteaters in Australia and anteaters and South America both developing long narrow skulls Natural selection is based on all of the following except which below? A. Individuals adapt to their environment in there by evolve B. Genetic variations exist within populations C.The best adapted individuals tend to leave the most offspring D. Populations tend to produce more individuals in their environment can support - Answer-A. Individuals adapt their environments in thereby evolve. In the mid-1900s Soviet geneticist name Lysenko Believe that one individual wheat plantWhen exposed to even colder temperatures and then fertilized would eventually start to produce more cold tolerant offspring. His Hypothesis here is most in agreement with the beliefs of? A. Hutton B. Lamarck C. Darwin. D. Lyell - Answer-B. Lamarck Darwins explanation of natural selection required long time spans, millions of years, in order to modify populations. From where did Darwin first get the concept of the earths ancient age? A. Charles Lyell B. Catholic Church. C. Alfred Wallace D. Thomas Malthus - Answer-A. Charles lyell Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, these bones having developed from very similar embryonic tissues. How do biologists interpret these similarities? A. By proposing that humans bats and dolphins shared recent common ancestor B. By identifying the bones as being analogous traits generated by different environments C. By the principle of convergent evolution which produces similar traits D. No answer text provided - Answer-A. By proposing that humans bats and dolphins share a recent common ancestor