Unit 1 - The Living World: Ecosystems

Ecosystem

A specific location on Earth where living organisms (biotic factors) interact with each other and with their non-living environment (abiotic factors)

Biotic factors

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Abiotic factors

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Niche

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Habitat

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Community

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Population

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Species

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Biodiversity

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Ecological succession

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Biome

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Tundra

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Taiga (Boreal Forest)

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Temperate rainforest

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Temperate seasonal forest (deciduous)

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Tropical rainforest

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Shrubland (chaparral)

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Temperate grassland (prairie)

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Savanna

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Desert

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Climatogram (climate diagram)

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Freshwater

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Saltwater (marine)

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Wetlands

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Estuaries

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Coral reefs

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Intertidal zone

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Open ocean (pelagic zone)

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Photic zone

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Aphotic zone

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Littoral zone

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Benthic zone

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Phosphorus

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Weathering

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Runoff

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Sedimentation

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No atmospheric component (important distinguishing fact)

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Evaporation

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Condensation

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Precipitation

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Infiltration

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Percolation

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Runoff

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Transpiration

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Gross Primary Productivity (GPP)

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Net Primary Productivity (NPP)

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Respiration

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Photosynthesis

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Limiting factors (e.g., sunlight, nutrients)

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Producer (autotroph)

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Primary consumer (herbivore)

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Secondary consumer (carnivore)

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Tertiary consumer

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Decomposer

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Detritivore

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Trophic level

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Energy pyramid

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10% Rule

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Energy efficiency

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Heat loss

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Law of Thermodynamics (especially Second Law: energy degradation)

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Food chain

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Food web

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Keystone species

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Trophic cascade

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Energy flow

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Top-down vs. bottom-up control

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