Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter23: Principles Of Evolution
Section: Chapter Questions
Problem 1RQ
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Question
What is microevolution and how does it differ from macroevolution?
Expert Solution
Introduction:
Evolution involves “descent with modifications” which results in the alteration of characteristics in descendants of a common ancestor with respect to time and different environmental conditions.
Definition of microevolution:
Microevolution is the evolutionary change within a species or small group of organisms, especially over a short period or it refers to the alteration in a gene pool of the population over time, resulting in small changes of an organism in the same species. It is due to the four different processes such as, mutation, natural selection, genetic drift, and gene flow.
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