Which of the following observations about populations shaped Darwin’s principles of natural selection? Select all that apply. As a population expands, resources that are used by its individuals eventually become limited. Individuals within a population naturally vary in the details of shared traits. Individuals of a population that are better able to survive tend to leave more offspring. Natural populations have an inherent capacity to increase in size over time. When resources are limited, the individuals of a population compete for those resources.

Which of the following observations about populations shaped Darwin’s principles of natural selection? Select all that apply. As a population expands, resources that are used by its individuals eventually become limited. Individuals within a population naturally vary in the details of shared traits. Individuals of a population that are better able to survive tend to leave more offspring. Natural populations have an inherent capacity to increase in size over time. When resources are limited, the individuals of a population compete for those resources.

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter19: Population Genetics And Human Evolution

Section: Chapter Questions

Problem 3QP: How Can We Measure Allele Frequencies in Populations? Explain the connection between changes in...

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Which of the following is NOT an essential component of Darwin's theory of natural selection? a) natural selection results in a population that is adapted to its environment b) use or disuse of a structure causes changes that are passed onto the next generation c) more offspring are produced than the environment can support d)heritable variation exists in populations
In which of these examples can natural selection act on a trait and cause the population to evolve? A population that is faced with extinction but has no genetic variation A population where a lot of individuals have mutations, but none of the mutations relate to fitness A population with no genetic variation, but where individuals have very high numbers of offspring A population where a few individuals have mutations that allow them to develop traits for producing more offspring than other individuals
Which statement is accurate about natural selection? It is a biological process that prevents species from adapting to significant changes in their environments. It is a biological process that leads a population to have a widespread expression of an advantageous trait. It is a biological process that allows a population to have a competitive advantage in many environments. It is a biological process that causes certain traits to be expressed less with each subsequent generation.
Which statement does NOT represent one of Darwin's observations? Some characteristics are heritable and passed on to offspring. Changes in populations are gradual and take place over long periods of timme. Members of the same species may exhibit considerable variation. Some characteristics afford their possessor a better chance of survival All individuals have an equal chance to survive and reproduce.
Select each correct answer. More than one answer may be correct. Which of the following are main tenets of Darwin's theory of natural selection? 1. Traits acquired during an individual's lifetime are heritable. 2. Individuals compete for resources. The traits within a population vary and are heritable. Individuals can produce more offspring than can survive. Individuals most adapted to their environments have a better chance of surviving to reproduce.
Which of the following is true about natural selection? Group of answer choices it acts on individuals it typically does not involve changes in genotype frequencies in a population it involves individuals willfully changing their genotype and/or phenotype in order to become better matched to their environment and leave more offspring it is a random process it involves humans increasing the frequency of desirable traits in a species by selecting which individuals breed
How do populations grow in size? How does Darwin explain this? If you wish you may include a diagram.
Which of the following statements is NOT an observation or inference on which natural selection is based? Group of answer choices Only a fraction of an individual’s offspring may survive. Species produce more offspring than the environment can support. There is heritable variation among individuals. Modifications of an organism acquires during its lifetime can be passed to its offspring.
Which of the following best explains the phrase “survival of the fittest” in terms of evolution by natural selection? The strongest and fastest individuals will always survive and reproduce more often. The individuals that are the healthiest will always get more resources and survive better. Only individuals that have the most mates will survive with limited resources. The individuals that survive better and reproduce more often will pass their traits on more often.
What is the difference between artificial selection and natural selection? How did Darwin's studies and experiments with artificial selection help him articulate how natural selection works? Provide an example and a personal reflection on something new you learned or found particularly interesting on this topic.
Which claim about natural selection is not true? A. Directional selection decreases genetic diversity within a population B. Balancing selection (heterozygote advantage) maintains genetic diversity within a population C. Negative Frequency-Dependent selection maintains genetic diversity within a population D. Natural Selection always has a greater evolutionary effect in small populations than it does in large populations
Which of the following are accurate descriptions of natural selection? Select all that apply. •It selects for traits that increased the complexity of the organism . ��It creates genetic variation. •It creates physical variation. •It selects for traits that helps organisms reproduce most successfully.