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:Population growth model Notes
Population growth
Using discrete time steps, which is easier to describe that continuous change, the model for population growth is this:
N₁
Try changing the blue numbers, for "r" (rate) and "N0" (start population), below.
r:
No:
Nort
Moose: 1.5
House fly: 80
***
80 Time step (t) (N) Population at end of time step (N₁)
2
0
1
2
Wolf: 1.2
3
4
5
6
7
8
9
10
Z żż ź ź żž ž ž ž ź ż
Cockroach: 40
2
160
N₂ 12800
No
N₁
N3
1024000
N4 81920000
N5 6553600000
5.24288E+11
4.1943E+13
3.35544E+15
2.68435E+17
N10 2.14748E+19
N6
Try these hypothetical "r" values to begin, then try new numbers of your own:
N7
N8
N9
Rabbit: 5
Endangered tiger: 0.8
Transcribed Image Text:Open the Excel Spreadsheet: ACTIVITY Population Biology Data Analysis
Perform data analysis for: Cockroach
Find the "r" value for Cockroach.
Enter the "r" numerical value in the cell to the right of r: (cell B6). Press ENTER after you enter the "r" value for Cockroach.
Keep No: the default value of 2.
What is the projected population number at N3 (after 3 generations)?
Enter the number below as a numerical value.
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