Ecology lesson 2 of 3

Population, population size, significance of population size, factors to consider when determining population size, methods of determining population size, direct counting method, sampling methods, capture-recapture method, quadrat method, removal method, population growth curves, ecological niche, Gause exclusion principle, communities, ecosystem, gross primary productivity, net primary productivity, succession, primary succession, secondary succession, deflected succession, climax community, trophic efficiency