Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 13, Problem 6SQ
Summary Introduction
Introduction: Evolution of an organism occurs due to the changes in the genetic makeup of a population that take place from generation to generation. The
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Students have asked these similar questions
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.
Which one of the four forces of evolution has the smallest effect on changing allele frequencies?
a.
Drift
b.
Gene flow
c.
Mutation
d.
Selection
what has to happen successfully for evolution by natural selection to take place?
a. Mutation
b. Reproduction
c. Migration
d. Genetic drift
Chapter 13 Solutions
Campbell Essential Biology with Physiology (6th Edition)
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- How 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_forwardWhich of the following is the best definition of evolution? Group of answer choices a. allele frequency change in a population b. survival of the fittest c. the adaptation of organisms to their environment d. formation of new speciesarrow_forwardAs 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.arrow_forward
- 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.arrow_forwardDarwin 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_forwardIn 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.arrow_forward
- The process in which environmental pressures result in the differential survival and reproduction of individuals of a population is called_____ . a. catastrophism c. natural selection b. evolution d. geneticsarrow_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_forwardWhat evidence did Darwin use to support his theory of evolution by natural selection? Describe three. a. b. c. What scientific evidence has been discovered since Darwin’s time that supports evolution by natural selection? List three a. b. c.arrow_forward
- Charles Darwin proposed that evolution could be explained by the differential reproductive success of organisms that resulted from their naturally occurring variation. Darwin called this process (a) coevolution (b) convergent evolution(c) natural selection (d) artificial selection (e) homoplasyarrow_forwardWhich of the following is NOT true of biological evolution? a. It always involves genetic changes b. it always involves groups of individuals c. it requires the existence of genetic variation within a population d. it can include non-genetic changes in an organism, if the organism is complex enougharrow_forwardPhysical anthropologist Eva Hernandez visits the Yamomamo in Venezuela and finds that only 3 individuals in a small village of 85 people have blood type A. Her grandson, Alberto Hernandez, returns 45 years later and finds that no one in the village has type A blood. A-gene flow B-natural selection C-genetic drift D-mutationarrow_forward
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