Natural selection operates on populations over many generations. Which of the following allows natural selection to occur? A. the desire and the advantage of a population to remain constant B. the old age of the individuals which causes them to die C. the abilty for populations to change quickly from one trait to the next D. the unequal ability of individuals to survive and reproduce

Natural selection operates on populations over many generations. Which of the following allows natural selection to occur? A. the desire and the advantage of a population to remain constant B. the old age of the individuals which causes them to die C. the abilty for populations to change quickly from one trait to the next D. the unequal ability of individuals to survive and reproduce

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter19: Evolutionary Change In Populations

Section: Chapter Questions

Problem 10TYU: Which of the following is not true of natural selection? (a) natural selection acts to preserve...

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In which of the following pairs do both evolutionary processes introduce new genetic variation into a population? a. natural selection and genetic drift b. mutation and gene flow c. natural selection and gene flow d. gene flow and genetic drift
Darwin based his Theory of Evolution by Natural Selection on series of observations. Which of the following is not associated with his theory? a) individuals in a population vary phenotypically b) organisms tend to under-reproduce themselves c) there are limited resources for which individuals compete d) some variations possessed by individuals of a population are inherited
which of these is not a central rule of natural selection a, fitness to the general health and strength of an organism b, natural selection can only act on traits that affect reproduction c, natural selection can't occur without population variation d, a trait must be inherited if natural selection is to act on it
Which of the following is NOT a characteristic of natural selection? a) Variation exists among individuals in a population b) Some individuals are better adapted to their environment than others c) Organisms evolve to fit a predetermined goal or plan d) The better-adapted individuals are more likely to survive and reproduce
Which of the following is not a trait on which natural selection can act? a size of ears b fur/hair color c broken bones d thickness of fur
Which of the following is true about natural selection? a) It always results in the evolution of new traits b) It always results in the strongest individuals surviving c) It always results in the fittest individuals reproducing d) It always results in the best-adapted individuals surviving
Biologists sometimes say that “natural selection depends on the specific environment where a species lives.” What does this statement mean? A) A) If populations of a species are in different environments, traits that individuals need to meet their needs in each environment will appear. B) Traits can be helpful or harmful. If populations of a species are in different environments, some traits that are helpful in one environment might be harmful in another environment. C) Traits are always either helpful or harmful, and the environment of a population doesn’t matter. If populations of a species are in different environments, the same traits will always be helpful. D) Species were formed to perfectly match their environment. The traits of individuals in a species depend on the specific environment in which they were created.
Which of the following statements about natural selection is a misconception? a.Most species don't produce more offspring than the environment can support b.Natural selection acts on heritable variations in a population c.Natural selection involves differential reproductive success d.Natural selection occurs as a result of competition among individuals in a population e.In natural selection, traits that are favoured depend on current environmental conditions
Unlike natural selection, is not related to an individual’s ability to survive and may result in offspring that are less well adapted to survive in a particular environment. (a) genetic drift (b) sexual selection (c) directional selection (d) convergent evolution
A change in one or more characteristics of a population that is heritableand occurs from one generation to the next is calleda. natural selection.b. sexual selection.c. population genetics.d. evolution.e. inheritance of acquired characteristics.
With stronger natural selection, was the more beneficial allele lost from these small populations?a) It was lost very frequently, and the strength of natural selection did not make any difference.b) It was never lost.c) It was lost a few times, but not very often, and it was lost less frequently under strong selection.d) It was lost a few times, and it was lost more frequently under strong selection.
According to Darwin’s model of evolution, evolution can only occur if there is some variation present among the individual members of a population. Which statement best describes the source of this variation among members of a species? A) variation exists because different individuals will have different access to food and other resources B) individuals will vary depending on geography and climate C) variation exists because not all genes will be affected D) variation among individuals may arise as a result of mutations in the genetic code