Examples of symbiosis

The predator is this picture is the fox. The prey in this picture is the rabbit.

Parasitism is a type of non mutual relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host. (Wikipedia.com) http://en.wikipedia.org/wiki/Parasitism

Mutualism-

a relationship between two species of organisms in which both benefit from the association. (Dictionary.com) http://dictionary.reference.com/browse/mutualism

 

 

 

 

 

 

 

 

 

 commensalism is a class of relationship between two organisms where one organism benefits but the other is neutral (there is no harm or benefit)(Wikipedia.com)http://en.wikipedia.org/wiki/Commensalism

The Habitable Planet

1) What assumptions does this model make about co-dominance as well as the general terrain of the ecosystem?






2) Do you find one producer to be dominant? Why might one producer be dominant over another?

Food Web

http://www.google.com/search?hl=en&gs_nf=1&cp=7&gs_id=13&xhr=t&q=food+web&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&biw=1680&bih=850&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi&ei=Vx9iT43VJ-rJiQK19-XACA&surl=1&safe=active




The producer is the grass and the tree.The primary consumer is the grasshopper.The secondary consumer is the mice.The owl is the tertiary consumer.There are no scavengers/decomposers.