FINAL EXAM - Decomp & Biogeochemical Flashcards
(10 cards)
Nutrients
Essential for normal metabolism, growth, and reproduction
Biogeochemical Cycle
The path an element takes as it moves from abiotic systems through producers, consumer, and decomposers and back again.
Soil Organic Matter
A complex mixture of partially and completely decomposed detritus
Humus
State for when detritus becomes completely decayed
Watersheds
Areas drained by a single stream
Aqufiers
Layers of porous rock, sand, or gravel that are saturated in water
Water Table
The upper limit of the underground layer of soul that is saturated with stored water
Eutropication
When nitrogen-based runoff causes algal blooms in aquatic ecosystems
Global Phosphorus Cycle
Tracks the movement of phosphorus among terrestrial and aquatic systems
Global Carbon Cycle
Documents the movement of carbon among terrestrial ecosystems, the oceans, sediments, and the atmosphere