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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In Darwin's theory of natural selection, which of the following is a source of evolution:
a.
Individuals with random mutations who die without reproducing.
b.
Individuals with random mutations who are able to reproduce.
c.
Individuals who do not vary from their progenitors.
d.
Intelligent and purposeful design.
Which 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?
Darwin’s Theory of Natural Selection occurs in 4 steps.Which of the following is NOT one of these four steps?a. Differentiationb. Selectionc. Competitiond. Overproduction
Chapter 13 Solutions
Campbell Essential Biology with Physiology (6th Edition)
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- Biology Which of the following is NOT a requirement of natural selection? a. non-random mutations b. variation is heritable c. variation within a population d. non-random survival and reproduction Which person has the greatest fitness? a. 65-year old man with 3 children and 2 grandchildren b. 35-year-old man with 3 children c. 70-year-old woman with 3 children, 10 grandchildren, and 2 great grandchild d. 100-year-old woman with 4 childrenarrow_forwardWhich of the following individuals would be considered to have the greatest evolutionary fitness? a. Olympic speed skater with one child b. an overweight person with three children c. a woman who had six children, none of whom (the children) survived to adulthood d. a single mom who adopted eight childrenarrow_forwardIn the movie about rock pocket mice, the host Sean Carroll argues which of the following? Select the ONE BEST answer. a. Mutations are random, but natural selection is not random b. Mutations are not random, but evolution is random c. Mutations are not random, and evolution is not random d. Mutations are random, and evolution is randomarrow_forward
- Which of the following does not support the idea of descent with modification? A. Organisms and the cells that they are composed of arise from DNA B. When organisms reproduce they generate new copies of DNA to pass down to their offspring C. We inherit traits from our ancestors because in possess molecules of their DNA that you received from your parents D. In the process of DNA replication, mutations occur with the goal of increasing an organism's fitnessarrow_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_forwardWhat is meant by the following statement? "When mutation is random, natural selection is not." Mark all correct answers Group of answer choices A. A mutation is caused by changes in the environment. B. Natural selection can favor some mutations and not others. C.Mutations for advantageous traits are more likely to be passed on to the next generation. D.Selection can change depending on the environment.arrow_forward
- Which 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_forwardThe process by which evolution occurs is calleda. natural selection. b. development. c. reproduction. d. taxonomy.arrow_forwardHow 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_forward
- Describe the modem theory of evolution and discuss how it is supported by evidence from two of the following three areas. a. Population genetics b. Molecular biology c. Comparative anatomy and embryologyarrow_forwardThe combination of work from which two researchers resulted in the modern synthesis in the 1940s of how evolutionary biological questions are interpreted today? A. Darwin and Lamarck B. Mendel and Darwin C. Ussher and Dawkins D. Watson and Crickarrow_forwardWhich of the following statements about evolution is false?a. Gene mutations alone amount to evolution. b. Genetic drift and gene flow are modern theories of evolution.c. Natural selection contributes to evolution.d. Chimpanzees evolved from a hominoid ancestor.arrow_forward
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The Evolution of Humans | Evolution | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=Vf_dDp7drFg;License: Standard YouTube License, CC-BY