An investigation was carried out over a five-year period to measure the effect of color on the survival of trout in a stream. The stream contained many brightly colored stones and food was plentiful. At the start of the investigation (year 0), 100 bright-colored trout and 100 drab-colored trout were placed into a section of the stream that had been blocked with netting. Investigators monitored the trout populations for five years and recorded the water condition each time a Count was done. The data collected are shown in the table below.

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Chapter6: Leadership
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Problem 6.21.3C
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How does this demonstrate that natural selection depends on the environment? 

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Century Go...
BIU A
E E
12
+
▼
•..
An investigation was carried out over a five-year period to measure the effect of color on the
survival of trout in a stream. The stream contained many brightly colored stones and food was
plentiful. At the start of the investigation (year 0), 100 bright-colored trout and 100 drab-colored
trout were placed into a section of the stream that had been blocked with netting. Investigators
monitored the trout populations for five years and recorded the water condition each time a
Count was done. The data collected are shown in the table below.
Trout Population Over Five Years
Bright-Colored
Trout
Drab-Colored
Trout
Condition
of Water
Year
100
100
clear
1
64
36
clear
86
25
clear
3
25
77
cloudy
4
14
86
cloudy
90
9.
clear
314159e
FEB
2
84
17
...
lil
Transcribed Image Text:Chrome File Edit View History Bookmarks Реople Tab Window Help 9 5.35 GB 61% Tue Feb 2 12:45 AM b A 1/8 Exit Ticket: Natural Selectic x + docs.google.com/document/d/1nJ-Gf98yx1XNGPbJAIWhxPVhuQUkCiZSeEEZ_bLEgOk/edit 100% Normal text Century Go... BIU A E E 12 + ▼ •.. An investigation was carried out over a five-year period to measure the effect of color on the survival of trout in a stream. The stream contained many brightly colored stones and food was plentiful. At the start of the investigation (year 0), 100 bright-colored trout and 100 drab-colored trout were placed into a section of the stream that had been blocked with netting. Investigators monitored the trout populations for five years and recorded the water condition each time a Count was done. The data collected are shown in the table below. Trout Population Over Five Years Bright-Colored Trout Drab-Colored Trout Condition of Water Year 100 100 clear 1 64 36 clear 86 25 clear 3 25 77 cloudy 4 14 86 cloudy 90 9. clear 314159e FEB 2 84 17 ... lil
Expert Solution
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The change in the heritable characteristics of the species across many generations is called evolution. Evolution is a gradual process, and according to the theory of evolution, all species are related and evolved gradually.

In population genetics principles, fitness is the quantitative description of natural and sexual selection in evolutionary biology. Fitness represents individual reproductive success and is equal to the average addition to the gene pool of the subsequent generation that is produced by individuals of the defined genotype or phenotype.

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