(par 3. 1.1) Energy in Ecosystems (taken from Wikipedia)

Energy in Ecosystems http://en.wikibooks.org/wiki/Ecology/Energy_in_ecosystems An example of the concept of energy flow through trophic levels of a food chain. There are several different factors that control the primary productivity of energy and biomass flow. Energy flow is the amount of energy that moves through a food chain. The energy input, or energy that enters the […]
(par 3. 1.1) The Laws of Thermodynamics

http://kids.britannica.com/comptons/article-200192/energy In the early 19th century the Industrial Revolution was well underway. The many newly invented machines of the time were powered by the burning of fuel. These machines provided scientists with a great deal of information about how heat energy could be converted to other types of energy, how other types of energy could […]