Plasticity, constraint, and optimality in reproductive timing Plasticity, constraint, and optimality in reproductive timingv. 75No. 82185–2203Morgan, Steven G. and Christy, John H. 1994. "Plasticity, constraint, and optimality in reproductive timing." Ecology Tempe, 75, (8) 2185–2203.More...ID: 104088Type: articleKeywords: STRI