A fecundity table (see below) is constructed for a population of gray squirrels

Question

A fecundity table (see below) is constructed for a population of gray squirrels that have a 5-year lifespan, "x" is the generation year. "l_x" is the probability o f survival from birth to a given year. " b_x " is the age-specific birthrate. On the basis of this table, which o f the following is not true. The reproductive rate of squirrels declines from year 1 to year 5. Net reproductive rate for this population of gray squirrels is 1.40. The net reproductive rate is calculated as the summed product of yearly survival and birthrates. Increased birthrate accounts for higher reproductive rates in year 1 versus year 2.

Explanation / Answer

D

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