Ehe following is NOT an observation upon which Darwin's theory of natural selection was based? populations have the potential to increase exponentially in number environmental resources are limited all characteristics can be transmitted from one generation to the next ALL' of these are observations upon which Darwin's theory of natural selection was based real populations do not increase in size exnonentiallu

Ehe following is NOT an observation upon which Darwin's theory of natural selection was based? populations have the potential to increase exponentially in number environmental resources are limited all characteristics can be transmitted from one generation to the next ALL' of these are observations upon which Darwin's theory of natural selection was based real populations do not increase in size exnonentiallu

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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If a populations allele and genotype frequencies remain constant from generation to generation, (a) the population is undergoing evolutionary change (b) the population is said to be at genetic equilibrium (c) microevolution has taken place (d) directional selection is occurring, but only for a few generations (e) genetic drift is a significant evolutionary force
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 is not an observation orinference on which natural selection is based?(A) There is heritable variation amongindividuals.(B) Poorly adapted individuals never produceoffspring.(C) Species produce more offspring than the environment cansupport.(D) Only a fraction of an individual’s offspring may survive.
Natural selection is based on all of the following except individuals who survive longer tend to have more offspring than those who die young genetic variation exists within populations Individuals adapt to their environments and, thereby, evolve populations tend to produce more offspring than the environment can support the best adapted individuals tend to reproduce more
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 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
Which of the following is a factor that, by itself, does not promotewidespread changes in allele or genotype frequencies?a. New mutationb. Natural selectionc. Genetic driftd. Migratione. Nonrandom mating
Which of the following is a necessary condition for natural selection to occur? The environment must be constant and unchanging. All individuals in a population must have equal chances of survival There must be variation among individuals in a population All individuals in a population must have identical traits
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
Natural selection acts upon ____________________________, evolution upon _______________________________. What is the gene pool and how does natural selection act upon it? If a version of a gene confers an advantage to survival and reproduction, that version of the gene will be favored by natural selection and we can expect the frequency of that gene to ______________________ within the population over time. Versions of the gene that do not confer an advantage (or confer a disadvantage) should become _______________ prevalent . This generation to generation change in the gene pool is called ________________________. Changes to the genetic makeup of a population and the individuals within it can arise via two mechanisms. List and describe both. Both of these processes are ________________________________. Once created, new combinations of genes will be acted upon by _________new alleles_______________________. How is Darwinian “fitness” different than the typical definition used in…
In the modern reckoning of evolution by natural selection, what is the most important feature that allows an allele to be more represented over time in a population? The allele makes the organisim stronger. The allele allows the organisim to produce more breeding offspring. The allele allows the organisim to eat more readily. The allele allows the organsims to escape predators readily.
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.