Energy Flow and 10% Rule Flashcards
1
Q
Ecological Efficiency
A
The proportion of consumed energy that can be passed from one trophic level to another.
2
Q
Biomass
A
The total mass of all living matter in a specific area.
3
Q
Standing crop
A
The amount of biomass in an ecosystem at a specfic time.
4
Q
Productivity
A
The rate of energy production in an ecosystem over a span of time.
5
Q
10% rule
A
Each time energy is transferred from one trophic level to the next roughly 90% of it is lost as heat, leaving only 10% of it available to the next level.