Sunday, May 8, 2011

obj 4.1- ecosystems

- a habitat is the abiotic factors of an ecosystem. This includes:
day and night
temperature
rainfall
humidity
geology
this describes everything which is non-biological

- a community is made up of populations of different species interacting together

- a population is the number of individuals of a particular species

-a species are organisms that reproduce

-an ecosystem is a community of organisms in a particular habitat
 

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