(par 3. 4.1) Types of food pyramids
The Flow of Energy in Ecosystems – Productivity, Food Chain, and Trophic Level As was explained in the last subchapter, the flow of energy is an essential feature of every…
(par 3. 4.1) The Food Web
http://en.wikipedia.org/wiki/Food_web From Wikipedia, the free encyclopedia A food web (or food cycle) is the natural interconnection offood chains and generally a graphical representation (usually an image) of what-eats-what in an ecological community. Another name forfood…