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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Solve. 3

Transcribed Image Text:# of snowshoe
3.
About seven years ago, a group of 13 female and 4 male snowshoe hares were
introduced to Granite Island, which is 120 km from the nearest land mass.
There were no indigenous hares or any predators on the island. A scientist
visited the island every four months to gather population data. The data is
shown below in graphical form.
Snowshoe hare population on Granite Island
1600
1400
1200
1000
800
600
400
200
0
30
40 50 60 70 80 90
Time (months)
0
10
20
100

Transcribed Image Text:a) What type of population growth pattern does the graph reveal, during the
A time from 10 to 30 months?
b) The S-shaped pattern of growth of the snowshoe hares has three phases. Draw two vertical lines
on the graph provided on the previous page to indicate where the phases are changing, and then
label each phase.
c) Write out the mathematical equation of the model that explains the
middle phase, where the most dramatic increase in population occurs.
d) At about 60 months, the hare population stabilizes. Explain why this happens.
I
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