Which of the following is not a part of Darwin's theory of natural selection? Individuals of a population vary Organisms tend to over-reproduce themselves There are limited resources for which individuals compete Modifications an organism acquires during its lifetime can be passed to its offspring Variations possessed by individuals of a population are heritable

Which of the following is not a part of Darwin's theory of natural selection? Individuals of a population vary Organisms tend to over-reproduce themselves There are limited resources for which individuals compete Modifications an organism acquires during its lifetime can be passed to its offspring Variations possessed by individuals of a population are heritable

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter12: Processes Of Evolution

Section: Chapter Questions

Problem 11SQ

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Why is the following observation by Darwin important to the theory of evolution? "All species can produce more offspring than their environment can support, and many of these offspring fail to survive and reproduce" Organisms have evolved to produce as many offspring as possible Many organisms die for reasons having nothing to do with their evolutionary fitness Competition for resources creates the selection that drives evolution O Over time, organisms that have larger litters will be more evolutionarily successful
Which of the following is NOT one of Darwin's postulates? Individuals in a population will have different versions of phenotypic traits Individuals in a population will vary in how successful they are with respect to survival and reproduction Some phenotypic traits can be passed from parent to offspring Individuals change in response to the environment, and pass those changes on to the next generation
In birds, where the female typically handpicks the male to reproduce with, there are clear differences in appearance between the genders. That difference in appearance is called Gender Binarism Runaway Selection Sexual Dimorphism Divergent Evolution
Which of the following are sources of variation in a population? Sexual reproduction Sexual selection Mutation O Natural selection
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.
Which the following statements about Darwin's theory of natural selection is true? O In order to reproduce more successfully, an individual must evolve so that it adapts to its environment. The natural environment consistently causes variation of certain traits in the population. O Individuals with inherited traits that are better suited to the local environment are more likely to survive and reproduce than less well-suited individuals. Natural selection, by its cumulative effects over long periods of time, could have caused random changes in ancestral species, thus giving rise to two or more descendant species.
Which of the 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 Oreal populations do not increase in size exponentially
The neutral theory of evolution proposed that most genetic mutations are functionally neutral or nearly neutral. Neutral mutations would be fixed in a population by: O the invariance of DNA O random genetic drift O balancing selection natural selection asexual reproduction
Naturalists who have accepted evolutionary theory now propose that: all of the items listed extinction occurs when the food supply becomes nutritionally unbalanced O populations of plants and animals in nature most often consist of individuals that are clones of each other populations of a species that become isolated from others by adapting to different environmental niches quickly become extinct those individuals whose variation gives them an advantage in staying alive long enough to reproduce are more likely to pass their traits on to the next generation
Natural Selection is defined as the differential survival and reproduction of individuals due to differences in phenotype. What two features of a population are required for Natural Selection to function? Binary fission Asexual reproduction Genetic variation Overproduction of progeny Homeostasis Interbreeding of progeny Recombination O Co-dominant phenotypes
What is the source of new alleles within a population? mutation sexual reproduction independent assortment natural selection
Darwin put together several pieces of information when formulating his theory of evolution. Which of the following is/are not part of that information? Choose All That Apply Natural populations of organisms display variable phenotypes Natural populations tend to produce more offspring then the environment can support Individuals within a population can pass on traits acquired during their lives to their offspring Organisms tend to be uniquely adapted to the environments in which they are found Each individual in a population is equally likely to survive and produce offspring