Evolution and Natural Selection MC Quiz PDF

Biology: Unit 6 Quiz Part 2 Multiple Choice: Identify the choice that best completes the statement or answers the question. 1.​ These structures have the same function; however, the bat and bird wing contain bones, the flying squirrel “wing” is simply a flap of skin, and the butterfly wing has...

Biology: Unit 6 Quiz Part 2 Multiple Choice: Identify the choice that best completes the statement or answers the question. 1.​ These structures have the same function; however, the bat and bird wing contain bones, the flying squirrel “wing” is simply a flap of skin, and the butterfly wing has no bones. These structures are considered to be a.​ Homologous b.​ Heterologous c.​ Analogous d.​ Vestigial 2.​ The whale has both pelvis and femur bones, but no legs. This evidence of evolution is an example of a (an) ______________________________. a.​ analogous structure b.​ vestigial structure c.​ homologous structure d.​ physiological structure Cladogram: Use the following cladogram to answer questions 3-4. 3.​ Which of the following organisms would be considered the ancestral (oldest) organism? a.​ Hagfish b.​ Chimp c.​ Pigeon d.​ Perch 4.​ Which of the organisms below has ONLY: jaws, lungs, and claws? a.​ Chimp b.​ Salamander c.​ Perch d.​ Lizard Analysis of Graphs: Use the following graph to answer questions 5-6. 5.​ After 10 million years have passed, what % of Element X remains? a.​ Approximately 50% b.​ Approximately 25% c.​ Approximately 12% d.​ Approximately 7% 6.​ If a fossil has 37% of Element X remaining, approximately, how much time has passed? a.​ 7 mya b.​ 10 mya c.​ 13 mya d.​ 15 mya 7.​ Using the picture to the right, which of the following is correct? a.​ Fossil A is older than fossils C and D b.​ Fossil D is younger than fossil B c.​ Fossil C is older than Fossil B, but younger than E d.​ Fossil B is older than fossil D 8.​ Darwin believed that species change over time through? a.​ artificial selection b.​ natural selection c.​ mimicry d.​ camouflage 9.​ Natural selection is described as? a.​ Organisms that are the least adapted to the environment survive and reproduce b.​ Organisms that do not adapt over time are the most successful c.​ Organisms that are the best adapted to their environment survive and reproduce d.​ Organisms that struggle in nature are selected to live on and reproduce 10.​This is an example of which type of natural selection? a.​ directional selection b.​ stabilizing selection c.​ disruptive selection 11.​In horses, there are three body sizes. Small, Medium & Large Size. The largest sized horses seem to be the most successful and have the highest population. Which type of natural selection does this represent? a.​ directional selection b.​ stabilizing selection c.​ disruptive selection 12.​Which type of natural selection is represented below in the graph? a.​ directional selection b.​ stabilizing selection c.​ disruptive selection 13.​If a scientist wanted to find an exact date of a fossil they dug up, which method of fossil dating would you recommend? a.​ radiometric dating b.​ relationship dating c.​ relative dating 14.​The adaptation that enables an organism to blend in with its surroundings is… a.​ mimicry b.​ camouflage c.​ artificial selection d.​ homologous structures 15.​ How is Genetic Drift different from Natural Selection? a.​ Genetic Drift chooses those that survive based on their successful traits, Natural Selection is Random. b.​ Natural Selection chooses those that survive based on their successful traits, Genetic Drift is Random. c.​ Genetic Drift & Natural Selection are both Random, no rhyme or reason why species survive. d.​ Genetic Drift & Natural Selection both pick those best fit in their environment to survive and continue on.