. Which of the following is not one of the key components to Natural Selection _________. A. heritable traits that increase survival and/or reproduction will tend to spread throughout the population B. individuals with higher reproduction always displace those with lower reproduction C. more individuals are produced than can possibly survive D. there must be ecological factors that hold the population in check E. all of the above are key components to Natural Selection

. Which of the following is not one of the key components to Natural Selection _________. A. heritable traits that increase survival and/or reproduction will tend to spread throughout the population B. individuals with higher reproduction always displace those with lower reproduction C. more individuals are produced than can possibly survive D. there must be ecological factors that hold the population in check E. all of the above are key components to Natural Selection

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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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
Indicate whether each of the following statements about natural selection is true (T) or false (F). Put either a T or an F in each box provided. a. Natural selection alters a population's gene pool b. Natural selection creates new alleles which increase the reproductive success of their owners c. Natural selection favors traits which it anticipates will be beneficial to a species in the future d. Natural selection can at times be observed in nature over the course of just a few decades e. Natural selection acts directly on an individual's phenotype
13. Directional selection means that a. The environment controls which organisms will survive. b. Humans determine which organisms will survive. c. Both extremes of the population have a lesser chance to survive. d. Both extremes of the population have a better chance to survive. e. The organisms on one extreme of the population have a better chance to survive than those on the other extreme.
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
98. Sexual selection can be driven by ________. A. ecological factors favoring r-selected genotypes at a high population density B. intersexual choice (e.g., female choice of male traits) C. intrasexual competition (e.g., male-male competition) D. only two of the above can drive sexual selection E. all of the above can drive sexual selection
Which of the following is Not required for Natural Selection to occur with a biological population? A. Not all offspring survive to reproduce B.Individuals is the population with some phenotypic variants must have higher fitness on average C. Individuals with one phenotype must always have more offspring than individuals with other phenotypes D. The phenotypical variation within a population of organisms must be heritable E. Variation in the phenotypes of organisms within a population
2) The Hardy-Weinberg principle tells us what to expect when a sexually reproducing population is a.not evolving b.increasing in size c.changing in size d.evolving e.not evolving under natural selection specifically
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
3) Movement of alleles between populations is called _____ and results in _____. a.genetic equilibrium; decreased genetic differences between populations b.genetic drift; increased genetic differences between the populations c.gene flow; increased genetic differences between the populations d.genetic drift; decreased genetic differences between the populations e.gene flow; decreased genetic differences between the populations
1. Wood duck is one of the most recognizable birds in the United States. In the late winter season, the males attract the females with their call and colorful markings. The female wood ducks chose their partner based on their attractiveness. They then pair up and begin breeding in the early spring. What mechanism of evolution is described in the given situation? a. natural selection b. genetic drift c. non-random mating d. genetic flow 2. Which of these factors DO NOT produce an adaptive evolutionary change in a given environment? a. natural selection b. none of them c. mutation d. genetic drift
17. Which of the following statements best explains the Theory of Natural Selection? * a. Organs that are not used may disappear, while organs that are constantly used may develop b. In nature, the organism with desirable characteristics may survive, while those weaker traits may not c. Organisms develop desirable structures to survive in a given environment d. Acquired characteristics of parents can be passed on to offspring 18. Larry Daley is a paleontologist found out some Central American Acacia species that have hollow thorns and pores at the bases of their leaves that secrete nectar. He used the species to understand the history and origin of the place. From the given situation, the Central American Acacia species is an example of _____________. * a. evolution b. fossil c. mutation d. coevolution
89. Natural selection can best be described as _________. A. differential survival and/or reproduction among heritable entities B. macroevolutionary change C. microevolutionary change which results in new species D. none of the above describe natural selection

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	A.	heritable traits that increase survival and/or reproduction will tend to spread throughout the population
	B.	individuals with higher reproduction always displace those with lower reproduction
	C.	more individuals are produced than can possibly survive
	D.	there must be ecological factors that hold the population in check
	E.	all of the above are key components to Natural Selection