Some anglers (people who fish) have noted that the maximum size of many fish species, even in robust populations, tends to be decreasing. What is the most likely reason for this to occur.    Question 9 options:   genetic drift causing fish to be smaller   natural selection resulting in smaller fish being favoured in the population   adaptive radiation is allowing fish to occupy new niches   poor environmental conditions currently exist for fish to grow to large sizes   artificial selection resulting in smaller fish being favoured in the population

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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Some anglers (people who fish) have noted that the maximum size of many fish species, even in robust populations, tends to be decreasing. What is the most likely reason for this to occur. 

 

Question 9 options:

 

genetic drift causing fish to be smaller

 

natural selection resulting in smaller fish being favoured in the population

 

adaptive radiation is allowing fish to occupy new niches

 

poor environmental conditions currently exist for fish to grow to large sizes

 

artificial selection resulting in smaller fish being favoured in the population

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