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Chapter 4
ecosystems
18
Environmental Studies
11th Grade
10/19/2008

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Term
organism
Definition
any form of life
Term
A population
Definition
same species
Same area
Same time
Term
Community
Definition
made up of populations
(living things)
Term
ecosystems
Definition
Community with non-living things
Term
biosphere
Definition
all ecosystems together
Term
atmoshere
Definition
thin layer of air around the planet
Term
troposphere
Definition
lower part of atmosphere
Term
stratosphere
Definition
Upper portion of atmosphere
(contains ozone)
Term
hydroshpere
Definition
contains earth's water
Term
lithoshpere
Definition
earth's crust/upper mantle
Term
bioshpere
Definition
where things can live
Term
lithoshpere
Definition
earth's crust/upper mantle
Term
bioshpere
Definition
where things can live
Term
Life depends on what three things?
Definition
solar energy
Recycling of matter
Gravity
Term
How much of the sun's energy does the earth receive?
Definition
one-billionth
Term
biomes
Definition
distinct climate
Lifeforms
Vegetation
Forests deserts grasslands
Term
ecotone
Definition
merge of two biomes
Term
four components to biodiversity
Definition
generic diversity
Species diversity
Ecological diversiy
Functional diversity
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