Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 15, Problem 4MC
Which of the following is NOT required for evolution by natural selection to occur?
a. Individuals in a population vary.
b. Offspring inherit traits from their parents.
c. Thousands of generations must pass.
d. Some individuals have more offspring than others
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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 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
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.
Chapter 15 Solutions
Biology: Life on Earth (11th Edition)
Ch. 15 - 1. Whale skeletons contain nonfunctional pelvic...Ch. 15 - 2. Darwin was influenced by Malthus's thinking...Ch. 15 - Prob. 3MCCh. 15 - Which of the following is NOT required for...Ch. 15 - 5. Which of the following is NOT evidence of...Ch. 15 - The flipper of a seal is homologous with the...Ch. 15 - The finding that all organisms share the same...Ch. 15 - Georges Cuvier espoused a concept called _______...Ch. 15 - 4. The process by which inherited characteristics...Ch. 15 - The process by which individuals with traits that...
Ch. 15 - Darwin's postulate 2 states that __________. The...Ch. 15 - Natural selection acts on individuals, but only...Ch. 15 - 2. Distinguish between catastrophism and...Ch. 15 - 3. Describe Lamarck’s theory of inheritance of...Ch. 15 - 4. What is natural selection? Describe how natural...Ch. 15 - 5. Describe how evolution occurs. In your...Ch. 15 - What is convergent evolution? Give an example.Ch. 15 - How do biochemistry and molecular genetics...Ch. 15 - Prob. 8RQCh. 15 - 1. In discussions of untapped human potential, it...Ch. 15 - 2. Does evolution through natural selection...
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- 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 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 populationsarrow_forwardWhich of the following conclusions are MOST likely to be supported by genetic evidence? A. Some modern-day organisms did not exist in the past. B. Some organisms found in the fossil record do not currently exist. C. Environmental change affected the fitness of individuals differently based on their traits. D. Some disease-causing traits may remain in a population because their alleles provide an advantage to heterozygotes.arrow_forward
- Darwin proposed natural selection as a mechanism for evolution. How is it similar to artificial selection? How is it different?For natural selection to work, there must be genetic variation within a population as well as mutations? Why must there be both?arrow_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_forwardWhich of the following is not true of natural selection? (a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traits acquired during an individuals lifetime (d) natural selection acts on a populations genetic variability, which arises through mutation (e) natural selection may result in changes in allele frequencies in a populationarrow_forward
- Which of the following is not part of Darwins mechanism of evolution? (a) differential reproductive success (b) variation in a population (c) inheritance of acquired (nongenetic) traits (d) overproduction of offspring (e) struggle for existencearrow_forwardWhich 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_forwardHow Can We Measure Allele Frequencies in Populations? Explain the connection between changes in population allele frequencies and evolution, and relate this to the observations made by Wallace and Darwin concerning natural selection.arrow_forward
- Which 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_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_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_forward
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