Founder and bottleneck effects are examples of what? Group of answer choices A-mutation B-genetic drift C-natural selection D-recombination E-gene flow
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A:
Q: n small isolated populations, gene frequencies can fluctuate considerably. The term that applies to…
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- Which of the following is not true of natural selection? (a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traits acquired during an individuals lifetime (d) natural selection acts on a populations genetic variability, which arises through mutation (e) natural selection may result in changes in allele frequencies in a population_________is the original source of new alleles. a. Mutation c. Gene flow b. Natural selection d. Genetic driftIn _______________ the selecting agent is the environment, whereas in _______________ the selecting agent is humans. (a) natural selection; convergent evolution (b) mutation; artificial selection (c) homoplasy; homology (d) artificial selection; natural selection (e) natural selection; artificial selection
- The process of natural selection can be described as Group of answer choices 1. an organism changing during its life to be better suited for its environment 2. a cell dividing 3. traits that cause individuals to live longer or reproduce more are seen more often in the next generation 4. none of the aboveWhich of the following is not one of the four factors that produce and redistribute variation? Group of answer choices A-recombination B-mutation C-genetic drift D-gene flow E-natural selectionWhat is a mode of natural selection that favors a phenotype at one end of a range of variation? Directional selection Stabilizing selection Disruptive selection
- Evolution has two core principles: Natural selection and A Survival of the Fittest Descent with Modification Mutations D GeneticsThe offspring of better-adapted individuals are expected to make up a larger proportion of the next generation. Which mechanism of evolution best explains this event? Group of answer choices gene flow and genetic drift mutations and genetic drift mutations and nonrandom mating mutations and natural selectionWhich of the following is true about natural selection? O It can only act on traits that are heritable and show variation. It always favors large, strong individuals. It allows species to choose what adaptations are passed on to offspring. O It acts on individual organisms, helping them become better adapted to their environment.
- Consider the graph below. This is an example of whatkind of natural selection? h Directional selection Diversifying selection Stabiizing selection Disruptive selectionWhich of the following statements is not true about the concept of natural selection? Group of answer choices A-Geographical isolation contributes to the formation of new species as individuals begin to adapt to different environments B-Natural selection explains the increase in the yield of kernels per corn plant over the last several thousand years C-Infers that later generations may be distinct from ancestral ones, or a new species can appear D-Selective pressures cause distinct species to develop E-Suggests that over long periods of geological time, successful variations accumulate in a populationFrom an evolutionary point of view talk about how natural selection has played in biology processes. Make sure to include the words/processes: replication, variation, persistence, RNA, DNA, mutations, scarcity, proton pump, coalition, depletion, surivival, crisis.
