Ecological Pyramids
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11 Terms
energy pyramid
A diagram that shows the amount of energy that moves from one feeding level to another in a food web
biomass pyramid
Diagram representing the biomass in each trophic level of an ecosystem
numbers pyramid
represents the number of individual organisms at each trophic level
trophic level
Each step in a food chain or food web
10%
How much energy is passed from one trophic level to the next in an ecosystem?
90%
How much energy is lost from one trophic level to the next in an ecosystem due to heat loss from an organism, and an organism using the energy for its own life processes.
biomass
Total amount of living tissue within a given trophic level
kcals
unit of measurement of energy
Units seen on an energy pyramid
Kcals
Units seen on a biomass pyramid
g/m2 (this pyramid show kilograms)
Units seen on a pyramid of numbers
Number of organisms
Note 
Flashcards (49)