BIO 101 NVCC FINAL ACTUAL EXAM QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS

BIO 101 NVCC FINAL ACTUAL EXAM QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS Which of the following is INCORRECTLY paired? A.Buffon -- suggested new species arise from a common ancestor B.Hutton -- theory of catastrophism that brief & violent global upheavals are responsible for geological formations C.Cuvier -- recognized that lower layers of rock contain older fossils D.Lyell -- uniformitarianism that natural processes are slow and steady - ANSWER B.Hutton -- theory of catastrophism that brief & violent global upheavals are responsible for geological formations What is an adaptation? A.a genetic change over time B.an increase in reproductive success by certain individuals C.a trait that is heritable and confers reproductive success D.differential reproductive success of a particular individual E. B & D - ANSWER C.a trait that is heritable and confers reproductive success Why do birds with large beaks predominate over birds with small beaks in dry seasons? A.Birds with large beaks are better at defending territories. B.Birds with large beaks have larger body sizes and survive better in a drought. C.Birds with large beaks are betting at finding mates. D.Birds with large beaks can open tough seeds that are more common in a drought E.All of the above - ANSWER D.Birds with large beaks can open tough seeds that are more common in a drought Which of the following individuals is the fittest? A.a dandelion that produces 1000 seeds but only 4 survive to reproduce B.a cat with 6 kittens of which 5 later reproduce C.a large bull elk that successfully defends a large territory D.an elephant that produces and cares for 1 offspring once every 5 years - ANSWER B.a cat with 6 kittens of which 5 later reproduce In a population of dogs, long ears are dominant over short ears. If 50 of 200 dogs in a population have short ears, how many of the long-eared dogs are homozygous dominant? A. 25 B. 50 C. 75 D. 100 E. 60 - ANSWER B. 50 A population in which an extreme phenotype is favored undergoes ____ selection. A. disruptive B. directional C. stabilizing D. artificial E. polynomial - ANSWER B. directional Which of the following is NOT a mechanism of evolution? A. mutation B. natural selection C. genetic drift D. Hardy-Weinberg E. gene flow - ANSW