Okay, this is about a microbio student in the area, whom many of you might NOT know :-)
Call her P
In a friendly discussion, it came up once that other factors (like generation gap in age and life expectancy) being the same, a birth rate of 2 will keep the population constant. P says "No no, if you have birth rate of two, the population will double"
Her friends tried giving her an example. Assume A and B marry and C and D marry. Assume A and B have E anf F as kids and C and D have G and H. So 4 parents give 4 kids in all. So both generations have 4 people
P was so excited to prove her point that she goes "Yeah, but you see, then E has two kids, and F has two kids and so also G and H, and so that becomes 8 na "
What to do.. too much of bacteria and fungi !!
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1 comment:
This is an awesome joke ;)
As an aside, an actual better way of explaining would have been that only women (who form half the population) give birth and so in order to keep the total number constant the birth rate has to be 2 per woman
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