WHAT IS LIFE LL WITH 1 TERM ACCESS
5th Edition
ISBN: 9781319438920
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 10, Problem 9SA
Summary Introduction
To analyze:
Why Darwin was wrong about natural selection leading to perfection.
Introduction:
Natural selection does not occur in a completely undisturbed environment, free of other influencing factors.
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Students have asked these similar questions
Select ALL that apply: According to Darwin, which condition(s) must be satisfied for
evolution by natural selection to occur?
Favourable traits arise in response to a change in the environment
Variation in traits exists between individuals
Traits are inherited between parents and offspring
Differences in reproductive success exist between individuals
Darwin put together several pieces of information when formulating his theory of evolution. Which of the following is/are not part of that information?
Choose All That Apply
Natural populations of organisms display variable phenotypes
Natural populations tend to produce more offspring then the environment can support
Individuals within a population can pass on traits acquired during their lives to their offspring
Organisms tend to be uniquely adapted to the environments in which they are found
Each individual in a population is equally likely to survive and produce offspring
Which of the following best describes natural selection?
O It is a guess made by scientists about how life develops, but it has no hard
evidence to support it.
It is the idea that the strong survive and the weak die off.
It is the idea that organisms with genetic traits that improve their ability to
reproduce are more likely to pass those traits on to future generations.
It is the idea that organisms naturally increase in complexity and intelligence with
time.
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WHAT IS LIFE LL WITH 1 TERM ACCESS
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- Which of the following is not part of Darwins mechanism of evolution? (a) differential reproductive success (b) variation in a population (c) inheritance of acquired (nongenetic) traits (d) overproduction of offspring (e) struggle for existencearrow_forwardAlthough Charles Darwin is best known for developing his theories of evolution during his trip on the HMS Beagle, his later life also provided evidence for evolution. Explain how Darwin’s later life added to his evolution theory.arrow_forwardIn a minimum of 5 sentences, expound the quote from the “Father of Evolution.”arrow_forward
- Charles Darwin is credited with outlining the principles of evolution by natural selection. What aspects of the scientific method can be identified in Darwin's work?arrow_forwardCharles Darwin and Alfred Russel Wallace accepted all of the following claims about evolution by means of natural selection, with the exception of: over time, the species will evolve as the more fit individuals replace the less fit individuals species can produce more offspring than the environment can sustain those individuals that are more fit will survive and reproduce in the greatest numbers variation is present among individuals of all species all individuals within a species have equal chances to improve their fitnessarrow_forwardExplain in your own words what natural selection is and how it works.arrow_forward
- In order for natural selection to occur, organisms must (select all that apply) have a variation that can be passed from one generation to the next. have differential reproductive success. survive longer than another organism. have adaptations to their environment.arrow_forwardOf the 500 eggs produced by a particular frog, only 10% developed into adult frogs. Which part of Darwin’s theory does this best illustrate? favorable mutations are not inherited. mutations occur by chance. there is a struggle for survival among organisms. populations are not stable.arrow_forwardNatural selection results in the adaptation of organisms to the circumstances of their way of life and their environment True or Falsearrow_forward
- When Darwin wrote On the Origin of Species, he spent a significant amount of time on a topic he considered to be (in his words) “one special difficulty” to his theory: eusociality. Explain why eusociality constitutes a “difficulty” to the theory of evolution by natural selection, and how evolutionary biologists have been able to explain its evolutionarrow_forwardWhich of the following is NOT one of Darwin's postulates? Individuals in a population will have different versions of phenotypic traits Individuals in a population will vary in how successful they are with respect to survival and reproduction Some phenotypic traits can be passed from parent to offspring Individuals change in response to the environment, and pass those changes on to the next generationarrow_forwardAlfred Russel Wallace and Charles Darwin accepted all of the following claims about evolution by means of natural selection, with the exception of: over time, the species will evolve as the more fit individuals replace the less fit individuals species can produce more offspring than the environment can sustain those individuals that are more fit will survive and reproduce in the greatest numbers variation is present among individuals of all species E. all individuals within a species have equal chances to improve their fitnessarrow_forward
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