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Use the Figure to Answer the Following Question Data Are from Strijbosch and Creemers, 1988

Question 18

Multiple Choice

Use the figure to answer the following question.
Life Table for Zootoca vivipara in the Netherlands
Year01234567Number alive1000763308158751072Survivorship1.0000.7630.3080.1580.0570.0100.0070.002 Fecundity 0.001.702.944.134.886.506.406.30Survivorship × Fecundity = Average Number of Offspring Produced perFemale of Age x0.001.300.910.650.280.070.040.01\begin{array}{c}\begin{array}{|l|}\hline\\\\\\\text {Year}\\\hline0\\\hline1\\\hline2\\\hline3\\\hline4\\\hline5\\\hline6\\\hline7\\\hline\end{array}\begin{array}{l|}\hline\\\\\\\text {Number alive}\\\hline1000\\\hline763\\\hline308\\\hline158\\\hline75\\\hline10\\\hline7\\\hline2\\\hline\end{array}\begin{array}{l|}\hline\\\\\\\text {Survivorship}\\\hline 1.000 \\\hline 0.763 \\\hline 0.308 \\\hline 0.158 \\\hline 0.057 \\\hline 0.010 \\\hline 0.007 \\\hline 0.002 \\\hline\end{array}\begin{array}{l|}\hline \\\\\\\text { Fecundity }\\\hline 0.00\\\hline1.70\\\hline 2.94\\\hline 4.13\\\hline4.88\\\hline6.50\\\hline6.40\\\hline6.30\\\hline\end{array}\begin{array}{l|}\hline\text {Survivorship × Fecundity = }\\\text {Average Number of }\\\text {Offspring Produced per}\\ \text {Female of Age \( x \) }\\\hline0.00\\\hline1.30\\\hline0.91\\\hline0.65\\\hline0.28\\\hline0.07\\\hline0.04\\\hline0.01\\\hline \end{array}\end{array}

Data are from Strijbosch and Creemers, 1988.
Using the table, determine which age class year would cause the largest decline in the resulting population growth, if it were wiped out by disease.


A) age class year 1
B) age class year 2
C) age class year 3
D) age class year 4

Correct Answer:

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