Category: Ecology

Population Ecology

Logistic Growth Video – 012 – Population Ecology In this video Paul Andersen explains how population ecology studies the density, distribution, size, sex ration, and age structure of populations. Intrinsic growth rate and exponential growth calculations are included along with a discussion of logistic growth. K-selected and r-selected species are explained along with survivorship

Ecology – How is our understanding of the natural world deeply cultural? From Season Four, copyright 2007, Art21, Inc. Video Rating: / 5 007 – Ecosystem Ecology In this video Paul Andersen explains how ecosystems function. He begins with a description of how life on the planet is ordered from large to small in biomes,


Ecology is the study of how living things interact with each other and their environment. This includes living things (biotic factors) and non-living things (abiotic factors). Watch the next lesson: Ecology on Khan Academy: Why are polar bears found only in the Arctic? Why does mildew grow in your shower and not (hopefully) in