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There is no phylogenetic evidence for the gradual evolution of eye components. Eyes consist of several components such as lens crystallin and absin proteins-which were exapted from proteins with other functions. Eye components such as photoreceptors are used by animals without eyes for sensing light and responding to day-night cycles. The genes that regulate eye development in both insects and vertebrates share a common ancestry-which pre- III III = III yes yes yes no

There is no phylogenetic evidence for the gradual evolution of eye components. Eyes consist of several components such as lens crystallin and absin proteins-which were exapted from proteins with other functions. Eye components such as photoreceptors are used by animals without eyes for sensing light and responding to day-night cycles. The genes that regulate eye development in both insects and vertebrates share a common ancestry-which pre- III III = III yes yes yes no

Human Anatomy & Physiology (11th Edition)
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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People who object to evolution sometimes assert that complex organs such as eyes are irreducibly complex, and therefore couldn't have arisen through evolution. Which of the following are insights that evolutionary research has provided on how complex organs arise? For each choice select YES or NO.
Transcribed Image Text:People who object to evolution sometimes assert that complex organs such as eyes are irreducibly complex, and therefore couldn't have arisen through evolution. Which of the following are insights that evolutionary research has provided on how complex organs arise? For each choice select YES or NO.
Only fully-developed eyes can have a useful function-so they must have arisen all at once with all their components. There is no phylogenetic evidence for the gradual evolution of eye components. Eyes consist of several components such as lens crystallin and absin proteins-which were exapted from proteins with other functions. Eye components such as photoreceptors are used by animals without eyes for sensing light and responding to day-night cycles. The genes that regulate eye development in both insects and vertebrates share a common ancestry-which pre- III III = ||| III III E no yes yes yes no
Transcribed Image Text:Only fully-developed eyes can have a useful function-so they must have arisen all at once with all their components. There is no phylogenetic evidence for the gradual evolution of eye components. Eyes consist of several components such as lens crystallin and absin proteins-which were exapted from proteins with other functions. Eye components such as photoreceptors are used by animals without eyes for sensing light and responding to day-night cycles. The genes that regulate eye development in both insects and vertebrates share a common ancestry-which pre- III III = ||| III III E no yes yes yes no
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