Wednesday, 11 May 2011

4.1: Ecosystems


Understand the terms: population, community and ecosystem.




Ecosystem
An ecosystem is a community of organisms in a certain habitat

Habitat
(abiotic factors)
eg sunlight, temperature, rainfall, humidity, slope of the land, geology
note they are all non-biological

Community of organisms
made up of a population of varying species which interact with each other

Population
Number of individuals of a specific species

Species
Organisms that reproduce and make offspring

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