Chapter 4
organism
any form of life
A population
same species
Same area
Same time
Community
made up of populations
(living things)
ecosystems
Community with non-living things
biosphere
all ecosystems together
atmoshere
thin layer of air around the planet
troposphere
lower part of atmosphere
stratosphere
Upper portion of atmosphere
(contains ozone)
hydroshpere
contains earth’s water
lithoshpere
earth’s crust/upper mantle
bioshpere
where things can live
lithoshpere
earth’s crust/upper mantle
bioshpere
where things can live
Life depends on what three things?
solar energy
Recycling of matter
Gravity
How much of the sun’s energy does the earth receive?
one-billionth
biomes
distinct climate
Lifeforms
Vegetation
Forests deserts grasslands
ecotone
merge of two biomes
four components to biodiversity
generic diversity
Species diversity
Ecological diversiy
Functional diversity
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