population of fish live on the bottom of a lake and are eaten by bigger fish. Color is a heritable trait in this population and the fish can either be green or brown. One day some people accidentally spill some chemicals in the lake and the bottom of the lake turns green. The green fish are
population of fish live on the bottom of a lake and are eaten by bigger fish. Color is a heritable trait in this population and the fish can either be green or brown. One day some people accidentally spill some chemicals in the lake and the bottom of the lake turns green. The green fish are
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
A population of fish live on the bottom of a lake and are eaten by bigger fish. Color is a heritable trait in this population and the fish can either be green or brown. One day some people accidentally spill some chemicals in the lake and the bottom of the lake turns green. The green fish are now more camouflaged from the bigger fish and get eaten less often than the brown fish. Eventually all the brown fish get eaten and only the green fish remain. This is an example of which evolutionary mechanism?
Group of answer choices
Artificial selection
Gene flow
Natural selection
Genetic drift
Mutation
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