BISC 101 FINAL EXAM SOLUTION MANUAL LATEST VERSION (FULLY SOLVED)

BISC 101 FINAL EXAM SOLUTION MANUAL LATEST VERSION (FULLY SOLVED) 1. Which of the following is more fit? - Answers 500 year old bristle come pine tree that produced 100 off spring every year 2.All of the following are true of evolution EXCEPT - Answers Individuals adapt their genes to improve survival 6. Natural selection that favors survival of extreme phenotype a if a population is called - Answers Diversifying selection 3. Which is necessary for natural selection to proceed? - Answers All of the above 8. Allele frequencies of a population can change by - Answers All of the above 4. Natural selection causes - Answers Change in allele frequencies within a population 5. All of the following are true of natural selection EXCEPT - Answers It works best in genetically uniform populations 10. Frog species Nat's at diff times of the year. This is an example of which type of reproductive isolation? - Answers Temporal isolation 11.Reproductive isolation based on location or geography is referred to as - Answers Ecological isolation 7. When extreme phenotype a are selected against and disappear, which pattern of natural selection is at work? - Answers Stabilizing selection 9. The biological species concept defines a species as - Answers Members of a population that interbreed and produce fertile offspring 12. Pollen from a tomato plant lands on a grapefruit flower. The pollen fails to grow a pollen tube. This is an example of - Answers Gametic isolation 13. Which of the following can influence the evolution of a species, - Answers All of the above 14. Which of the following best points to a close evolutionary relationship between 2 different species? - Answers Both species have a very similar DNA 15. The proportion of alleles present in a gene pool is called the ____ and js an important tool in measuring evolutionary changes. - Answers Allele frequency 16. In a population of 100 mice, if the recession allele frequency is 0.25, how many copies of the recessive alleles are found in the population? - Answers 50 18. Which of the following does NOT influence allele frequencies in a population? - Answers All of the above influence allele frequencies in population 23. Which of the following situations would represent a situation that reduce the effect of genetic drift? - Answers The population is very large 19. Inbreedi can lead to a decrease in genetic diversity and ____. - Answers Inbreeding depression 20. Which of the following is not an example of adaptive evolution? - Answers All choices are non adaptive 21. You examine a population and nite that it's allele frequencies for a particular gene are p=0.55 and q=0.45. If you come back and examine the population after several generations and found that the values for p&q have not changed, which of the following statements is FALSE - Answers The population is evolving 22. If you examine a population where B represents the Dominant allele and b represents the the recessive allele, you find that the allele frequencies for the gene are p=0.3 - Answers 0.42 24. If you ex Amine the gene pol F a population the is evolving due to genetic drift, what do you predict will occur with the allele frequencies? - Answers There is no way to tell how p and q will change 25. Which of the following conditions can lead to 2 populations becoming different species? - Answers All of the Above can lead to speciation 26. Which of the following statements is FALSE? - Answers The 13 diff species of finches flew to the G islands & seperate do themselves in response to diff food environments 27. All of Darwin's finches came from a single species with a "normal" beak. Which of the following factors can explain the development of the variety of beaks seen in these finches today? - Answers A b and c 28. Which of the following statements regarding the dating of fossils is FALSE? - Answers Fossils can be dated using a microscope to examine tissue 29. Which of the following scenarios would be LEAST likely to result in a fossil? - Answers A jelly fish that dies and slowly floats to the bottom of the ocean