Unit 7
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What is a population?
all individuals of a speices in a particular area
What is an community?
all living things in a particular area
What is an ecosystem?
All living and non-living factors in an enviroment
What is a biome?
collection of ecosystems
What is a biosphere?
the entire Earth and the surronding atmosphere
What is immigration?
moving into a population
What is Emigration?
moving out of a population
What is Biodiversity?
the diversity of speices in an ecosystem
What is Primary succession?
a community is so disturbed there is no life remaining
What is Secondary succession?
a community is partly disturbed, and remaining organisms act as building blocks
What is Paritasm?
one organism benefits, and the other is harmed
What is Mutualism?
both organisms benefit
What is Commensalism?
one benifits, and doesn’t effect the other