Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 14, Problem 3WIO
Summary Introduction
To analyze:
The way natural selection predicts a gradualistic mode of evolution and if the presence of fossil fuels is consistent with punctuated equilibrium means that natural selection does not occur.
Introduction:
Natural selection is a slow-moving process in which environmental conditions cause genotype-dependent differences in the reproductive success of individuals. Because of this, natural selection foretells a gradualistic form of evolution, in which change happens gradually over a prolonged period of time in little steps.
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Students have asked these similar questions
What is environmental evolution?
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What is random evolution?
Which of the following processes and or mechanisms of evolution violate the assumptions of Hardy-Weinberg Equilibrium? Select all that apply.
Group of answer choices
A) Natural selection
B) Assortative mating
C) Random mating
D) Genetic drift
E) Mutation
How does natural selection act on genetic variation?
How can this lead to adaptations?
How can a change in allele frequency mechanize evolution?
Chapter 14 Solutions
Biology: Concepts and Investigations
Ch. 14.1 - What is the relationship between macroevolution...Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Prob. 2MCCh. 14.3 - Distinguish among allopatric, parapatric, and...Ch. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Describe the theories of gradualism and punctuated...Ch. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What is the advantage of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14.6 - Prob. 4MCCh. 14.6 - How is a cladogram constructed?Ch. 14.6 - Prob. 6MCCh. 14.7 - Prob. 1MCCh. 14.7 - Prob. 2MCCh. 14 - The biological species concept defines species...Ch. 14 - Prob. 2MCQCh. 14 - A mountain range separates a population of...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - What type of reproductive barrier applies to each...Ch. 14 - Why do species become extinct? Choose a species...Ch. 14 - Prob. 3WIOCh. 14 - Which of the groups in figure 1.9 represent...Ch. 14 - On figure 14.20, circle a monophyletic group, a...Ch. 14 - Prob. 1PITCh. 14 - Add fertilization and offspring to this concept...Ch. 14 - Prob. 3PIT
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Similar questions
- Generally, will natural selection result in an increase or decrease in variation? Why does this happen, and how, in theory, will it affect evolution in the future?arrow_forwardWhat are the shreds of evidence that the theory of evolution happened to all living forms?arrow_forwardWhich of the following statements about the forces that drive evolution is TRUE? Unlike the other evolutionary forces, natural selection is the only force that improves the match between the organism and its environment. Unlike the other evolutionary forces, gene flow is the only force that causes populations to become more different. Unlike the other evolutionary forces, mutation is the only force that decreases genetic variability. Unlike the other evolutionary forces, nonrandom mating is the only force that changes allele frequency.arrow_forward
- Is the rate of evolution, based on the supply of genetic variation and the strength of natural selection, fast enough to account for the emergence of major new kinds of organisms, such as birds and whales?arrow_forwardWhat is the most important mechanism that produces adaptive evolution?arrow_forwardWhat are some of the ways that Darwin's theory of natural selection played out in human evolution? Can you see evidence of particular adaptations as our ancestors evolved, speciated, and in some cases went extinct?arrow_forward
- Under what kinds of conditions would you expect to find convergent evolution?arrow_forwardHow does natural selection “work”, and what are the necessary pre-conditions for natural selection to occur?arrow_forwardWhich of the following statements is not true about the concept of natural selection? Group of answer choices A-Geographical isolation contributes to the formation of new species as individuals begin to adapt to different environments B-Natural selection explains the increase in the yield of kernels per corn plant over the last several thousand years C-Infers that later generations may be distinct from ancestral ones, or a new species can appear D-Selective pressures cause distinct species to develop E-Suggests that over long periods of geological time, successful variations accumulate in a populationarrow_forward
- How does natural selection act as the mechanism of evolutionary change?arrow_forwardLamarck was an early naturalist who published his own ideas about species changing over time. He, however was mistaken about one critical aspect of evolution. If you could travel back in time what advice would you give Lamarck to correct his misunderstanding? Tell him that species actually do change and evolve over time Tell him that traits acquired during an organisms life are not passed on to offspring Tell him that artificial selection does not lead to new varieties of plants and animals Tell him that characteristics are heritable: Parents do pass on their characteristics to their offspringarrow_forwardHow does Natural Selection cause evolution of a species?arrow_forward
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