(par 3. 2.1) Food Chain: Detritus (wikipedia) Cycle
http://en.wikipedia.org/wiki/Detritus From Wikipedia, the free encyclopedia In biology, detritus (pronounced dee-try-tus) is non-living particulate organic material (as opposed todissolved organic material). It typically includes the bodies or fragments of dead organisms as well asfecal material. Detritus is typically colonized by communities of microorganisms which act to decompose(or remineralize) the material. In terrestrial ecosystems, it is encountered as leaf litter and other organic matter intermixed with soil, which is referred to as humus. […]
(par 3 .2 ) Flow of Energy in the Cycles of the Ecosystem
Overview The main concepts we are trying to get across in this section concern how energy moves through an ecosystem. If you can understand this, you are in good shape, because then you have an idea of how ecosystems are balanced, how they may be affected by human activities, and how pollutants will move through […]
(par 3. 2 ) The Energy Cycle in an Ecosystem
The Energy Cycle in an Ecosystem by Mara Dolph, Demand Media http://everydaylife.globalpost.com/energy-cycle-ecosystem-29423.html Energy is something that every living thing needs and must obtain to stay alive. Some organisms absorb it, others consume it. But the term “cycle” when referring to energy is a misnomer. A cycle is an event or series of events that return […]