"In its effects on quantitative traits, diverging selection is like directional selection that acts in two directions rather than one, whereas disruptive selection is like stabilizing selection that acts on two modes rather than one (see figure 1.1). Evolution under diverging selection has been proposed to explain the evolution of ..."
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.