Chapter 3.2 Supplementary Articles

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

What is photosynthesis? http://en.wikibooks.org/wiki/Biology,_Answering_the_Big_Questions_of_Life/Photosynthesis Photosynthesis is a process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy

How to Describe the Parts of an Ecosystem by Kari Norborg Carter, Demand Media http://everydaylife.globalpost.com/describe-parts-ecosystem-36131.html The body of a higher animal, such as a mammal,

https://www.le.ac.uk/se/centres/sci/selfstudy/eco3.htm The main species typical of a particular habitat are called indicator species. Each habitat has its own diverse and characteristic assemblage of interacting living organisms

http://en.wikipedia.org/wiki/Trophic_level Trophic levels and Biomass The trophic level of an organism is the position it occupies on the food chain. The word trophic derives from

http://www.ducksters.com/science/ecosystems/food_chain_and_web.php Every living plant and animal must have energy to survive. Plants rely on the soil, water, and the sun for energy. Animals rely on plants

Food Chains and Food Webs “What’s for dinner?” http://www.enchantedlearning.com/subjects/foodchain/ Every organism needs to obtain energy in order to live. For example, plants get energy from