Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 12, Problem 6MC
Summary Introduction
Introduction:
Darwin's theory of evolution states that changes slowly and steadily accumulate over time to cause evolution. Punctuated equilibrium refers to the theory that short bursts of evolution are followed by long periods of very little change.
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Which of the following statement about the outcome of the evolution of a new species through hybridization is false?
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A. Nn opinion that some scientists hold about how life originated on Earth.
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Chapter 12 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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- Discuss the merits and or demerits of each of the following evidences of evolution A. Comparative Anatomy And Morphology B. Vestigial Structures C. Atavismorreversion D. Comparativeembryology E. Biogeography, F. Connecting links G. Taxonomy H. Biochemistry And Physiology I. Molecular records J. Cytology K. Genetics L. Paleobiologyarrow_forwardCompare and Contrast Synthetic Theory with: a. Lamarckian Theory b. Darwinian Theory c. De Vries Theoryarrow_forwardBiological evolution is best defined as A. the process of direct observation B. unchanging nature of life on earth C. change in a populations' genetic charteristics over time D. adaptations to common decentarrow_forward
- The most accurate definition of biological evolution from the following is... a. extinction and speciation b. the change in allele frequencies over time c. survival of the fittest d. the origin of new speciesarrow_forwardWhich of the following patterns of evolution is most supported by the fossil record? a. Descent with modification b. Hybrid speciation c. Stasis d. Punctuated disequilibriumarrow_forwardAlfred Russel Wallace and Charles Darwin argued that evolution by means of natural selection involves all of the following steps except: a. variation is present in all species b. species can produce more offspring than the environment can sustain c. all individuals within a species have equal chances to improve their fitness d. those individuals that are more fit will survive and reproduce in the greatest numbers e. over time, the species will evolve as the more fit individuals replace the less fit individualsarrow_forward
- Which 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_forwardWhich of the following best explains the role mutations play in natural selection?A. Most mutations are negative and result in the extinction of the entire speciesB. Mutations may appear for one or two generations, but they usually disappear quickly.C. If the environment changes, an existing organism develops a mutation that will help them to survive.D. Some mutations give individuals an advantage in their environment, allowing them to survive and reproduce.D is my answer is it correct?arrow_forwardWhat is true about evolution by natural selection? a. It is a largely random process. b. Homology shows that convergence is a useful tool for deducing adaptive function. c. Mothers are invariably members of the same species as their offspring, so selection can never create new species. d. Harmful recessive genes are eliminated more rapidly than harmful dominant genes. e. None of the above is true.arrow_forward
- Which of the following is not a component of evolution bynatural selection?a. Variation exists within a population.b. Organisms compete for resources.c. Individuals have different reproductive success.d. Organisms adapt due to environmental changes.e. Species are fixed.arrow_forwardWhich of the following statements is not compatible with Darwin's theory? a.All organisms have arisen by descent with modification . b.Evolution has altered and diversified ancestral species. c.Evolution occurs inindividuals rather than in groups. d.Natural selection eliminates unsuccessful variations. e.Evolution occurs because some individuals function betterthan others in a particular environment.arrow_forwardWhat were the requirements that Charles Darwin believed were necessary for adaptive evolution? Group of answer choices A. A population contains variation for some character B. The distribution of the character in the population would change over time C. Some variants sruvive and reproduce at higher rates than other D. All of the answers are correct E. The variation is at least partially heritablearrow_forward
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What is Evolution?; Author: Stated Clearly;https://www.youtube.com/watch?v=GhHOjC4oxh8;License: Standard Youtube License