Question 1 Consider a species of chipmunk, Tamias striatus, with two populations that differ only in the timing of their reproduction. Below is the life table for what we'll call the “speedy” population, as entered into the provided spreadsheet. Age class Offspring Survival at Survival to (bx) (sx) (lx) 0.8 1 0.5 0.8 0.5 0.4 0 0.2 Figure 1. Parameters for the “speedy” population. | (x) 0 1 2 3 Shifting the reproductive schedule back a time step, we obtain the “patient” population's life table. Age class Offspring Survival at Survival to (lx) 1 3 2 0 0 1 2 3 "patient" population. (a) λspeedy (bx) 0 0 3 2 (sx) 0.8 0.5 0.5 0 0.8 0.4 0.2 Figure 2. Parameters for the What is for each of the above populations after 25 generations (2 decimal places)?
Question 1 Consider a species of chipmunk, Tamias striatus, with two populations that differ only in the timing of their reproduction. Below is the life table for what we'll call the “speedy” population, as entered into the provided spreadsheet. Age class Offspring Survival at Survival to (bx) (sx) (lx) 0.8 1 0.5 0.8 0.5 0.4 0 0.2 Figure 1. Parameters for the “speedy” population. | (x) 0 1 2 3 Shifting the reproductive schedule back a time step, we obtain the “patient” population's life table. Age class Offspring Survival at Survival to (lx) 1 3 2 0 0 1 2 3 "patient" population. (a) λspeedy (bx) 0 0 3 2 (sx) 0.8 0.5 0.5 0 0.8 0.4 0.2 Figure 2. Parameters for the What is for each of the above populations after 25 generations (2 decimal places)?
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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Transcribed Image Text:Question 1
Consider a species of chipmunk, Tamias striatus, with two populations that differ only in the
timing of their reproduction. Below is the life table for what we'll call the "speedy" population,
as entered into the provided spreadsheet.
Age class Offspring Survival at
Survival to
(bx)
(sx)
(1x)
0.8
1
0.5
0.8
0.5
0.4
0
0.2
Figure 1. Parameters for the "speedy" population.
(x)
0
1
2
3
Shifting the reproductive schedule back a time step, we obtain the “patient” population's
life table.
Age class Offspring Survival at Survival to
(sx)
(1x)
0.8
1
0.5
0.5
"patient" population.
(a) λspeedy
3
2
0
0
1
2
3
(b) λpatient
(bx)
0
032
0
0.8
0.4
0.2
What is for each of the above populations after 25 generations (2 decimal places)?
Figure 2. Parameters for the
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With more offspring produced in age class 1 (x = 1), the patient population could match the rate of population growth rate of the speedy population. By trial and error, approximate the number of offspring (1 decimal place) that must be produced in age class 1 of the patient population such that the growth rates of the two populations are almost identical.
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