Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 15, Problem 1RQ
Summary Introduction
To explain:
The statement that it is the population which evolves, however, the natural selection acts on the individual is true.
Introduction:
Natural selection is a key mechanism of evolution which alters the survival and reproduction of individuals in a population as a consequence of differences in
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Natural selection is dependent on several factors, including the ability a population to survive and reproduce within a particular environment. How are both of these factors modeled?
Which of the following statements about evolution is true?
Natural selection provides a population with the adaptations that it needs to
survive in its environment.
Specific features of the environment can generate natural selection on a trait.
Evolution and natural selection are the same thing.
Because it is driven by mutation, evolution by natural selection is a random
process.
List and explain the three types of natural selection.
Chapter 15 Solutions
Biology
Ch. 15.1 - identify some of the thinkers whose ideas set the...Ch. 15.1 - Prob. 2CYLCh. 15.1 - define evolution?Ch. 15.2 - A recent study found that Galpagos mockingbirds on...Ch. 15.2 - Prob. 2TCCh. 15.2 - explain how natural selection works and how it...Ch. 15.2 - describe the logic, based on four postulates, by...Ch. 15.3 - The fossil history of some kinds of modem...Ch. 15.3 - What Good Are Wisdom Teeth and Ostrich Wings?...Ch. 15.3 - Are a peacocks tail and a dogs tail homologous...
Ch. 15.3 - Between 70% and 85% of people will experience...Ch. 15.3 - describe the evidence that evolution has occurred?Ch. 15.3 - explain the difference between similarity due to...Ch. 15.3 - What Good Are Wisdom Teeth and Ostrich Wings? Just...Ch. 15.4 - To reduce the incidence of pesticide resistance,...Ch. 15.4 - describe some observations and experiments that...Ch. 15.4 - Some advocates of the view that all organisms were...Ch. 15 - Whale skeletons contain nonfunctional pelvic bones...Ch. 15 - Darwin was influenced by Malthuss thinking about...Ch. 15 - Prob. 3MCCh. 15 - Which of the following is not required for...Ch. 15 - Prob. 5MCCh. 15 - The flipper of a seal is homologous with the _____...Ch. 15 - Prob. 2FIBCh. 15 - Georges Cuvier espoused a concept called ______ to...Ch. 15 - Prob. 4FIBCh. 15 - Prob. 5FIBCh. 15 - Darwin's postulate 2 states that ______. The work...Ch. 15 - Prob. 1RQCh. 15 - Distinguish between catastrophism and...Ch. 15 - Describe Lamarcks theory of inheritance of...Ch. 15 - What is natural selection? Describe how natural...Ch. 15 - 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 - In what sense are humans currently acting as...Ch. 15 - In discussions of untapped human potential, It is...Ch. 15 - Does evolution through natural selection produce...
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- Genetic variation is the product of completely random events, but acting upon this randomness is a very nonrandom process called natural selection. Explain or give an example.arrow_forwardSome worms eat at night (meaning they are nocturnal) and some worms eat during the day (meaning they are diurnal.) Most birds eat only during the day, so they are only eating diurnal worms, due to the fact that the nocturnal worms are burrowing during this time. Each spring when the worms reproduce about 500 offspring are born but only 100 of them live long enough to reproduce themselves. Explain how natural selection will occur and include the 4 principals of natural selection.arrow_forwardNatural selection requires all of the following except?arrow_forward
- Natural Selection Affects the Frequency of Genetic Disorders Will a recessive allele that is lethal in the homozygous condition ever be completely removed from a large population by natural selection?arrow_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_forwardEVOLUTION LINK Write short paragraphs explaining each of the following statements: (a) Natural selection chooses from among the individuals in a population those most suited to current environmental conditions. It does not guarantee survival under future conditions. (b) Individuals do not evolve, but populations do. (c) The organisms that exist today do so because their ancestors had traits that allowed them and their offspring to thrive. (d) At the molecular level, evolution can take place by the replacement of one nucleotide by another. (e) Evolution is said to have occurred within a population when measurable genetic changes are detected.arrow_forward
- Give examples of the three types of natural selection.arrow_forwardDiscuss at least two reasons why we cannot consider evolution by natural selection progressive.arrow_forwardIn one sentence each, identify the similarities and the differences between artificial selection and natural selection.arrow_forward
- Explain the difference(s) between natural selection and evolution. Do not just define each term but describe the differences between the two concepts.arrow_forwardSuppose there is a type of deleterious mutation in a particular human gene that causes death very late in life. Such mutations happen in about one in every million births, and can be passed on to descendants. Which statement about this allele is false? At equilibrium, the frequency of this allele will be zero. Selection against this mutation is weak compared to an allele that causes death at an earlier age. Medical advances that extend human lifespan will increase selection against this allele. Selection against this allele depends on the rate of extrinsic mortality.arrow_forwardIn a minimum of 5 sentences, expound the quote "Natural selection will not remove ignorance from future generations." by Richard Dawkinsarrow_forward
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