1992 evolution is one of the unifying concepts of

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frequencies in the rabbit population after two generations? 1992: Evolution is one of the unifying concepts of modern biology. Explain the mechanisms that lead to evolutionary change. Describe how scientists use each of the following as evidence for evolution: 1) Bacterial resistance to antibiotics 2) Comparative biochemistry 3) The fossil record 1994: Genetic variation is the raw material for evolution. a) Explain three cellular and/or molecular mechanisms that introduce variation into the gene pool of a plant or animal pop. b) Explain the evolutionary mechanisms that can change the composition of the gene pool. 2001: Charles Darwin proposed that evolution by natural selection was the basis for the differences that he saw in similar organisms as he traveled and collected specimens in South America and on the Galapagos Islands. (a) Explain the theory of evolution by natural selection as presented by Darwin. (b) Each of the following relates to an aspect of evolution by natural selection. Explain three of the following. (i) Convergent evolution and the similarities among species (ecological equivalents) in a particular biome (e.g. tundra, taiga, etc.) (ii) Natural selection and the formation of insecticide-resistant insects or antibiotic-resistant bacteria. (iii) Speciation and isolation. (iv) Natural selection and behavior such as kinesis, fixed-action-pattern, dominance hierarchy, etc. (v) Natural selection and heterozygote advantage.
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AP BIOLOGY 4 2003: Biologists are interested in preserving the diversity of living organisms on the planet. (a) Explain THREE of the following processes or phenomena, using an appropriate example for each. mutation adaptive radiation polyploidy population bottlenecks growth of the human population (b) For each process or phenomenon you selected in (a), discuss its impact on the diversity of life on Earth. 2004: Darwin is considered the “father of evolutionary biology.” Four of his contributions to the field of evolutionary biology are listed below. The nonconstancy of species Branching evolution, which implies the common descent of all species Occurrence of gradual changes in species Natural selection as the mechanism for evolution (a) For EACH of the four contributions listed above, discuss on example of supporting evidence. (b) Darwin’s ideas have been enhanced and modified as new knowledge and technologies have become available. Discuss how TWO of the following have modified biologists’ interpretation of Darwin’s original contributions. Hardy-Weinberg equilibrium Punctuated equilibrium Genetic engineering
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