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 Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter12: Processes Of Evolution

Section: Chapter Questions

Problem 2SQ

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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.

Question

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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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