Principles of community ecology, applied to plants and animals. The nature of communities, functional groups and rarity; niche theory and competition; disturbance and other alternatives to competition; food webs (predation, herbivory and disease); diversity (determinants, functional consequences and gradients); island communities. Prerequisites: BIOL 208; STAT 151 or SCI 151; and any one of MATH 113, 114, 115, 120, 125 or SCI 100. May not be taken for credit if credit already obtained in ZOOL 332.