Use the fertility table below to answer the following 2 questions; assume this i
ID: 57031 • Letter: U
Question
Use the fertility table below to answer the following 2 questions; assume this information is for females in a population and female offspring
x nx lx mx
0 1200 0
1 900 0
2 300 1
3 120 0
4 0 0
12. Which of the following is true or can be determined from the fertility table above?
This species is semelparous
Age of first reproduction
The generation time for the population is 4 years
a and b above
13 .Using the information in the table above, which of the following is a correct statement?:
the female population is increasing its reproduction compared to an earlier generation
the female population growth rate is declining
The net reproductive rate of this population is equal to the generation time.
none of the above
Explanation / Answer
12. From the above fertility table given, both age of first reproduction and generation time for population both can be determined. Hence option 3 is correct.
13. The data given table suggests that the female population growth rate is declining. Option 3 is correct.
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