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Ecological Energy Pyramid(Trophic Levels)

For the ecosystem to function energy must be available and it must be transferred. Why? Because of the First and Second Laws of Thermodynamics. The First Law states that energy can neither be created nor destroyed, but can be converted from one form to another. The Second Law states that everything is running downhill or, more formally,… read more »

Trophic levels (ecological pyramids)

Trophic levels Trophic levels are the feeding position in a food chain such as primary producers, herbivore, primary carnivore, etc. Green plants form the first trophic level, the producers. Herbivores form the second trophic level, while carnivores form the third and even the fourth trophic levels. In this section we will discuss what is meant… read more »