the given below option which of the following is not a component of evolution by natural selection? 1. Variation exists within a population. 2. Organisms compete for resources. 3. Individuals have different reproductive success. 4. Organisms ada

the given below option which of the following is not a component of evolution by natural selection? 1. Variation exists within a population. 2. Organisms compete for resources. 3. Individuals have different reproductive success. 4. Organisms ada

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter18: Introduction To Darwinian Evolution

Section: Chapter Questions

Problem 14TYU: EVOLUTION LINK Write short paragraphs explaining each of the following statements: (a) Natural...

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Concept explainers

Genetic Evolution

Sexual reproduction produces distinct population variations. Heredity determines the traits and qualities to be passed down to the progeny. Over time, this variation within-species is also affected by the process of human evolution. The study of how genetic variation leads to evolutionary changes is known as genetic evolution. If a trait helps an organism to survive and reproduce, it is more likely to be passed down the generations. It is rare that such traits result in a completely distinct set of traits in descendants than the ancestral population; this can result in the emergence of a new species.

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In the given below option which of the following is not a component of evolution by
natural selection?
1. Variation exists within a population.
2. Organisms compete for resources.
3. Individuals have different reproductive success.
4. Organisms adapt due to environmental changes.
5. Species are fixed.

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Alfred 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 individuals
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