Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 13, Problem 7SQ
As a mechanism of evolution, natural selection can be most closely equated with
- a. random mating.
- b. genetic drift.
- c. unequal reproductive success.
- d. gene flow.
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Students have asked these similar questions
Which of the following statements is inaccurate?
Multiple choice (one answer is correct)
a.The genetic variation that occurs in a population from mutation is non-random
b.Natural selection is the only mechanism that consistently causes adaptive evolution
c.Evidence demonstrates that whales evolved from land-dwelling organisms
d.Natural selection acts on populations
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
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.
Chapter 13 Solutions
Campbell Essential Biology (7th Edition)
Ch. 13 - Place these levels of classification in order from...Ch. 13 - Which of the following is a true statement about...Ch. 13 - How did the insights of Lyell and other geologists...Ch. 13 - In a population with two alleles for a particular...Ch. 13 - Define fitness from an evolutionary perspective.Ch. 13 - Prob. 6SQCh. 13 - As a mechanism of evolution, natural selection can...Ch. 13 - Prob. 8SQCh. 13 - In a particular bird species, individuis with...Ch. 13 - Prob. 10IMT
Ch. 13 - Prob. 11IMTCh. 13 - For each statement, identify which major theme is...Ch. 13 - Interpreting Data A population of snails has...Ch. 13 - Imagine that the presence or absence of stripes or...Ch. 13 - To what extent are people in a technological...Ch. 13 - What plants and animals have you seen near your...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following situations will lead to natural selection? a. The seeds of two plants land near each other and one grows larger than the other. b. Two types of fish eat the same kind of food, and one is better able to gather food than the other. c. Male lions compete for the right to mate with females, with only one possible winner. d. all of the abovearrow_forwardIn which of the following pairs do both evolutionary processes introduce new genetic variation into a population? a. natural selection and genetic drift b. mutation and gene flow c. natural selection and gene flow d. gene flow and genetic driftarrow_forwardIn marine iguanas males are much larger than females and fight with one another for access to areas that are preferred by females. What type of evolutionary force is causing the increase in male size? Group of answer choices A. disruptive (natural) selection B. intrasexual selection C. disruptive (natural) selection D. stabilizing (natural) selection E. intersexual selectionarrow_forward
- 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 itarrow_forwardWhich of the following is true about adaptation? a) It occurs through the inheritance of acquired characteristics b) It always results in the evolution of new traits c) It is a result of chance mutations d) It is the result of natural selection acting on heritable variationarrow_forwardWhich 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 conditionsarrow_forward
- 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 inheritedarrow_forwardWhich 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 furarrow_forwardA farmer breeds sheep with the desired traits of disease resistance and tine wool. After several decades of breeding efforts, the farmer's flock is resistant to disease and produces fine wool. Which evolutionary mechanism is responsible for the changes in the gene pool of the farmer's flock? A:Sexual selection B:Artificial selection C:Natural selection D:Gene flowarrow_forward
- 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 reproducearrow_forwardWhich 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 populationsarrow_forwardHow did Darwin support the idea that natural selection can produce evolutionary change? Group of answer choices A. he examined how humans produced domesticated plant and animal breeds B. he just thought it had to be true C. he invented a time machine to go back and check it out for himself D. he observed wild populations to see natural selection in actionarrow_forward
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