BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 14, Problem 5WIO
How does natural selection predict a gradualistic mode of evolution? Does the presence of fossils that are consistent with punctuated equilibrium mean that natural selection does not occur?
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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?
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?
Chapter 14 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 14.1 - How are macroevolution and microevolution related?Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Write a real or fictitious example other than...Ch. 14.3 - Prob. 1MCCh. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Prob. 1MCCh. 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 are the strengths of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14 - Macroevolution is distinct from microevolution in...Ch. 14 - The biological species concept defines species...Ch. 14 - A mule is the offspring of a male donkey and a...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Prob. 9MCQCh. 14 - Prob. 10MCQCh. 14 - How has the meaning of the term species changed...Ch. 14 - What type of reproductive barrier applies to each...Ch. 14 - Prob. 3WIOCh. 14 - Polyploidy is a common mechanism of speciation in...Ch. 14 - How does natural selection predict a gradualistic...Ch. 14 - Prob. 6WIOCh. 14 - Examine the cladogram in figure 14.17 and answer...Ch. 14 - Prob. 8WIOCh. 14 - Prob. 9WIOCh. 14 - Prob. 1SLCh. 14 - Prob. 1PITCh. 14 - Prob. 2PITCh. 14 - Prob. 3PIT
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- 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 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
- What 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_forwardUnder what kinds of conditions would you expect to find convergent evolution?arrow_forward
- How 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_forwardHow does natural selection act as the mechanism of evolutionary change?arrow_forward
- Lamarck 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_forwardWhy are vestigial structures among organisms evidence for evolution? Give an example of another vestigial structure.arrow_forward
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