The three types of ecological pyramids include the pyramid of numbers, the pyramid of energy and the pyramid of biomass. These pyramids may be upright, inverted or partly upright, depending on the number of organisms on ... More »

There are three varieties of ecological pyramids used, including a pyramid of numbers, a pyramid of biomass and a pyramid of energy flow. Depending on which pyramid is used, any number of trophic levels can be used to de... More »

Biomass is another term for energy or material derived from plants and animals. It contains captured energy from living organisms. When wood, crops or manure are burned by thermal conversion, the released heat and gases ... More »

Some benefits of biomass energy include a marginal carbon footprint; they produce marginal sulfur and methane emissions. As of 2014, the biomass energy industry supports approximately 66,000 jobs in the United States. Th... More »

An energy pyramid is a graphical representation of how energy flows in an ecosystem The pyramid consists of trophic, or nutritional, levels. It shows how energy decreases and becomes less available for organisms as it en... More »

An ecological pyramid is a graphical model that illustrates the flow of energy through different forms of life in an ecosystem. The bottom level illustrates species which act as producers, harnessing energy from abiotic ... More »

Environmental homeostasis, or balance, is maintained via an elaborate network of negative-feedback loops. A negative-feedback loop is a system in which the output of one cycle reduces or reverses the input of the next cy... More »