Age Interval (decades) 123 + 2 4 Proportion of surviving to beginning of age interval 1 0.2 0.04 0.039 Number alive at beginning age interval 1000 200 40 39 No. of Brazil nuts dying during the interval 800 160 1 23 Average number of seed per individual of stage x 0.0 2.7 19.9 22.7 Mortality rate for individual alive at start of age interval 0.80 0.80 0.03 0.59

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
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Use the extended life table to answer the question. What is the generation time of the Brazil nut (in decades, don't convert to years)?
X
Nx
lx
dx
qx
mx
Number alive
Age Interval
(decades)
at beginning
age interval
Proportion
of Surviving to
beginning of
age interval
No. of Brazil
nuts dying
during the
interval
Mortality rate
for individual
alive at start of.
age interval
Average
number of
seed per
individual of
stage x
1000
1
800
0.80
0.0
200
0.2
160
0.80
2.7
40
0.04
1
0.03
19.9
39
0.039
23
0.59
22.7
16
0.016
16
1.00
22.9
12345
Transcribed Image Text:Use the extended life table to answer the question. What is the generation time of the Brazil nut (in decades, don't convert to years)? X Nx lx dx qx mx Number alive Age Interval (decades) at beginning age interval Proportion of Surviving to beginning of age interval No. of Brazil nuts dying during the interval Mortality rate for individual alive at start of. age interval Average number of seed per individual of stage x 1000 1 800 0.80 0.0 200 0.2 160 0.80 2.7 40 0.04 1 0.03 19.9 39 0.039 23 0.59 22.7 16 0.016 16 1.00 22.9 12345
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