Figure 28.22. (A) The probability of ultimate extinction can be found graphically. The diagonal line plots Q, and the curve plots Exp[–λ(1 – Q)] for λ = 1.2. The solution to Q = Exp[–λ(1 – Q)] is the point where the curves cross, at Q = 0.686. (B) In ten replicates of the process, six went extinct within four generations. The remaining four are plotted here; three survived indefinitely. (Numbers are plotted on a log scale, so that exponential growth appears as a straight line.)
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