30 D Question 4 des for Anna Tahir: Organisms to Eco In a population of the lizard on an island, there are a large numbe

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30 D Question 4 Des For Anna Tahir Organisms To Eco In A Population Of The Lizard On An Island There Are A Large Numbe 1 (48.78 KiB) Viewed 10 times

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30 D Question 4 des for Anna Tahir: Organisms to Eco In a population of the lizard on an island, there are a large number of alleles that are monomorphic rather than polymorphic. How could you explain this this genetic homogeneity? Question 5 1.5 pts Random mating resulted in lots of homozygous genotypes. A very small number of individuals may have colonized this island, and this founder effect and subsequent genetic drift fixed many alleles. This population never experienced genetic mutations or gene flow. The colonizing population may have had much more genetic diversity, but in the last year or two, genetic drift fixed these alleles by chance. What scenario best illustrates the process of natural selection? A A bear learns to find food at a garbage dump. A population of mosquitoes develops resistance to a pesticide. A chameleon's color changes to brown as it sits on a log. A plant loses its leaves in a drought. A population of foxes increases as more prey becomes available. 1.5 pts
Which of these things influenced the development of the theory of evolution by natural selection? Charles Darwin collected specimens from around England while on his summer vacations from medical school. O Charles Lyell wrote a book suggesting that most changes to the earth's surface topography are the result of catastrophic events. Lamarck suggested that genes could change during an organism's life. Thomas Malthus suggested that population growth can be exponential, but resources are limited so all those that are born may not survive. Question 7 1.5 pts Which of the following statements best describes what people living in the early 1800s thought about Earth? The earth is billions of years old, species do not change over time, the surface of the earth is shaped by the accumulation of small changes over long periods of time The earth is thousands of years old, species do change over time, the surface of the earth is shaped by catastrophic events The earth is thousands of years old, species do not change over time, the surface of the earth is shaped by catastrophic events The earth is thousands of years old, species do not change over time, the surface of the earth is shaped by gradual change.
nents Question 8 True If organisms are NOT in the same Phylum, then they cannot possibly be in the same Genus. False Question 9 Anschut Is each statement true or false Most populations have polymorphic genes Gi.e. two or more different alleles for a gene). An allele is more likely to go to fixation in a large population than a small population. An allele is likely go to fixation or be lost after a population bottleneck, Question 10 [Choose] [Choose Choose If a gene is monomorphic, new variation ca✔ [Choose] arise through natural selection, False True 1 # # # 1.5 pts 1.5 pts 15 pt Quie: Mid-Term Exam