Which graph illustrates the result of directional selection graph 1,2 or 3

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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  1. Which graph illustrates the result of directional selection

graph 1,2 or 3

GENERATION O
(original population)
Average
starvation 20 xR.
resistance:
'160
40
80
120
200
Hours until death from starvation
GENERATION 1
(after 1 round of selection)
Average
starvation 23 HR.
resistance:
40
80
120
160
200
Hours until death from starvation
Experiment continues
through 60 generations.
GENERATION 60
Average
starvation 160 KR.
resistance:
80
'120
200
40
160
Hours until death from starvation
Number of flies
Number of flies
Number of flies
Transcribed Image Text:GENERATION O (original population) Average starvation 20 xR. resistance: '160 40 80 120 200 Hours until death from starvation GENERATION 1 (after 1 round of selection) Average starvation 23 HR. resistance: 40 80 120 160 200 Hours until death from starvation Experiment continues through 60 generations. GENERATION 60 Average starvation 160 KR. resistance: 80 '120 200 40 160 Hours until death from starvation Number of flies Number of flies Number of flies
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