Ecosystem-a biological community of interacting organisms and their physical environment.

Ecology-the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

An Ecosystem is a community of living and non-living things that work together.Ecosystems have no particular size.An ecosystem can be as large as a desert or a lake or as small as a tree ot a puddle.A healthy ecosystem has lots of species diversty and is less likely to beseriously damaged by human interactions.Every speceis has a niche in it's ecoystem that helps keep the system healthy.The living organisms in an ecosystem can be divided into three categories:producers, consumers and decomposers.Producers are the green plants.They make their own food.Consumers are animals and they get their energy from the producers or from organisms that eat producers.There are three types of consumers:herbivors are animals that eat plants, canivores are animals that feed on meat.





 



Ecology
Animal Page
Food web