(D
Figure 2: Constrained Optimization in Evolution Darwinian fitness increases with increasing values of characters «) and «(2), and the dotted fitness isograms connect points of equal fitness. The two solid constraint lines illustrate two different hypotheses about which combinations of «“) and «) are feasible. For any assumed constraint, the evolutionary problem is to choose the point on the constraint line that maximizes fitness. This constrained optimum occurs where the constraint line and fitness isogram have equal slope, i.e. where MRSc = MRS.
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