Ecology and the Biosphere. Ecology is the study of interactions between organisms and the environment. Ecology and the Biosphere

Ecology and the Biosphere

Ecology is the study ofinteractions between

organisms and the environment.


Ecology is the study ofinteractions between

organisms and the environment.

It is not the same thing as environmentalism,

but the two are related.


Population: individuals of the same speciesCommunity: all of the species that live in an areaEcosystem: abiotic factors as well as the communityBiosphere: the global ecosystem.


Ecosystem ecology deals with energy flow and chemical cycling among biotic and abiotic components.


The distribution of species


The distribution of speciesDispersal:• natural range expansion• species transplants


The distribution of speciesBehavior and habitat selection



Biotic factors:predatorsparasitescompetitiondisease



Biotic factors:predatorsparasitescompetitiondisease


Abiotic factors:temperaturewatersunlightwindrocks and soil

ClimateEcology and the Biosphere






Terrestrial BiomesEcology and the Biosphere

Terrestrial BiomesTropical Forest


Terrestrial BiomesTemperate Broadleaf Forest


Terrestrial BiomesConiferous Forest


Terrestrial BiomesTemperate Grassland


Terrestrial BiomesSavanna


Terrestrial BiomesChaparral


Terrestrial BiomesTundra


Terrestrial BiomesDesert


Terrestrial BiomesHigh Mountains


Terrestrial BiomesPolar Ice


Aquatic BiomesEcology and the Biosphere

Aquatic BiomesLakes


Aquatic BiomesStreams and Rivers


Aquatic BiomesWetlands


Aquatic BiomesEstuaries


Aquatic BiomesIntertidal Zones


Aquatic BiomesCoral Reefs


Aquatic BiomesNeritic Zone


Aquatic BiomesPelagic Zone


Aquatic BiomesBenthic Zone


Aquatic BiomesAbyssal Zone


Important concepts:•Population•Community•Ecosystem•Biosphere•Biotic and abiotic factors•What causes climates?•Biomes.


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Ecology and the Biosphere. Ecology is the study of interactions between organisms and the environment. Ecology and the Biosphere