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Key Terms
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biotic community
ecosystem
biodiversity
habitat
niche
fundamental niche
interspecific competition
realized niche
intertidal zone
principle of competitive exclusion
resource partitioning
symbiosis
mutualism
commensalism
parasitism
parasitoid
predator
prey
camouflage
warning coloration
mimicry
coevolution
keystone species
ecological succession
climax community
pioneer species
secondary succession
r-selected
K-selected
biosphere
biomes
food chain
trophic level
primary producer
autotroph
consumer
heterotroph
secondary consumer
tertiary consumer
decomposer
detritus
food web
net primary productivity
pyramid of energy
pyramid of numbers
pyramid of biomass
biomass
phytoplankton
zooplankton
biogeochemical cycles
water cycle
carbon cycle
nitrogen cycle
nitrogen gas (N2)
nitrogen-fixing bacteria
ammonia
nitrifying bacteria
nitrites
nitrates
denitrifying bacteria
nitrogenase
legumes
phosphorus cycle
phosphates
bioaccumulation
biomagnification
sea surface microlayer
vernal pools
niagra escarpment
cryptoendolithic
fjords







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