Which of the following best explains the role mutations play in natural selection? A. Most mutations are negative and result in the extinction of the entire species B. Mutations may appear for one or two generations, but they usually disappear quickly. C. If the environment changes, an existing organism develops a mutation that will help them to survive. D. Some mutations give individuals an advantage in their environment, allowing them to survive and reproduce.

Which of the following best explains the role mutations play in natural selection? A. Most mutations are negative and result in the extinction of the entire species B. Mutations may appear for one or two generations, but they usually disappear quickly. C. If the environment changes, an existing organism develops a mutation that will help them to survive. D. Some mutations give individuals an advantage in their environment, allowing them 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

Chapter18: Introduction To Darwinian Evolution

Section: Chapter Questions

Problem 14TYU: EVOLUTION LINK Write short paragraphs explaining each of the following statements: (a) Natural...

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When taking the question, it would appear as: Consider global warming, a continual gradual increase in average temperatures. How might you expect this to affect natural selection? A.environmental changes are unpredictable, and natural selection is a random process, so it is difficult to predict outcome B.species from warmer climates are likely to expand their ranges into higher latitudes C.traits that increase reproductive success under warmer temperatures are likely to increase in frequency in a population D.the stress caused by higher temperatures will increase mutation rates
Imagine that some lizards from both islands are brought to a laboratory and lizards from each population are separately bred for a generation. The offspring resemble their parents (i.e. they look like lizards from their home island). Does this support or contradict the idea that evolution has occurred? Group of answer choices a. support because it implies that a genetic change has occurred b. contradict because the lizards were removed from the islands c. support because the phenotype matches the environment d. contradict because the environment is different in the lab e. support because it is a major change in phenotype
Why was Jean Baptiste Lamarck wrong about the mechanism of evolution? A. Because giraffes haven't evolved in billions of years. B. Because individuals do not pass on any traits that they acquire during their lifetime. C. Because individuals can change their traits during their lifetime and pass on those traits to their offpsring. D. Because he misunderstood the structure of DNA.
What does the term evolution mean? A. The characteristics of species become more complex over time. B. The strongest individuals produce the most offspring. C. The characteristics of an individual change through the course of its life, in response to natural selection. D. The characteristics of populations change through time.
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 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
In Darwin's theory of natural selection, which of the following is a source of evolution: a.Individuals who do not vary from their progenitors. b.Intelligent and purposeful design. c.Individuals with random mutations who are able to reproduce. d.Individuals with random mutations who die without reproducing.
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
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
What is an example of neutral evolution in humans? A. Eye Color B. Humans do not have any traits that undergo neutral evolution C. Skin Color D. Blood Types
Which question below directly corresponds to whether Lamarck or Darwin are correct about their theories of the mechanisms of evolution? A.) Why don’t the shorter neck giraffes feed on grasses and lower vegetation? B.) How would the shorter necked giraffes in Lamarck’s theory survive to reproduce and pass on the “need” for longer necks if they were unable to reach food? C.) Why won’t the taller necked giraffes in Darwin’s theory provide assistance to the shorter giraffes since they are the same species? D.) Will the smaller giraffes be more adapted to hide from predators since they wouldn’t be visible from greater distances?
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