A fecundity table is constructed for a gray squirrel as foll…

A fecundity table is constructed for a gray squirrel as follows.________________________x lx bx lxbx0 1.0 0.0 0.001 0.3 2.0 0.602 0.15 3.0 0.453 0.09 3.0 0.274 0.04 2.0 0.085 0.01 0.0 0.00 On the basis of these calculations, the net reproductive rate (R0) is equal to

An ecologist spent a year studying the population dynamics o…

An ecologist spent a year studying the population dynamics of a species of duck on a lake. At the beginning of the year, there were 86 adults. Of these, 16 adults left the lake, 12 adults arrived on the lake from elsewhere, 76 chicks hatched from eggs, 24 chicks survived to become adults, and 8 adults died. How many individuals emigrated?