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what has to happen successfully for evolution by natural selection to take place?
a. Mutation
b. Reproduction
c. Migration
d. Genetic drift
Step by step
Solved in 4 steps
- Humans are able to cause organisms to evolve through whichmechanism?a. artificial selectionb. natural selectionc. fitnessd. paleontologye. uniformitarianismWhat is an example of neutral evolution in humans? A. Eye Color B. Skin Color C. Blood Types D. Humans do not have any traits that undergo neutral evolutionWhich of the four evolutionary mechanisms make a population better adapted to its environment? A. Migration B. Genetic drift C. Mutations D. Natural selection. 
- Biology Which of the following is NOT a requirement of natural selection? a. non-random mutations b. variation is heritable c. variation within a population d. non-random survival and reproduction Which person has the greatest fitness? a. 65-year old man with 3 children and 2 grandchildren b. 35-year-old man with 3 children c. 70-year-old woman with 3 children, 10 grandchildren, and 2 great grandchild d. 100-year-old woman with 4 childrenWhich one of the four forces of evolution has the smallest effect on changing allele frequencies? a. Drift b. Gene flow c. Mutation d. SelectionHow did Darwin support the idea that natural selection can produce evolutionary change? Group of answer choices A. he examined how humans produced domesticated plant and animal breeds B. he just thought it had to be true C. he invented a time machine to go back and check it out for himself D. he observed wild populations to see natural selection in action
- Why are alternative scientific theories to evolution not taught in public school? a. more theories would confuse students b. there are no viable scientific alternatives c. it is against the law d. alternative scientific theories are suppressed by the science establishmentHow does the study of the field of archaeology help one to study evolution? a. Look for patterns in evolution b. To study human emotions c. To study evidence of fossil records d. To understand Darwin's theory of evolutionWhat does the term evolution mean? A. The characteristics of species become more complex over time. B. The strongest individuals produce the most offspring. C. The characteristics of an individual change through the course of its life, in response to natural selection. D. The characteristics of populations change through time.
- Why was Jean Baptiste Lamarck wrong about the mechanism of evolution? A. Because giraffes haven't evolved in billions of years. B. Because individuals do not pass on any traits that they acquire during their lifetime. C. Because individuals can change their traits during their lifetime and pass on those traits to their offpsring. D. Because he misunderstood the structure of DNA.Darwin expressed that there was a force in nature that worked like an artificial selection. How is artificial selection different from Darwin's idea of natural selection? C.After a highway is destroyed by an earthquake, two formerly isolated populations of deer can now interbreed. This is an example of what? A. Mutations B. Natural Selection C. Non Random Mating D. Gene Flow