3.4 - What happens to energy in an ecosystem Flashcards
1
Q
Food Chain
A
A sequence of organisms, each of which serves as a source of food or energy for the next
2
Q
Food Web
A
complex network of interconnected food chains
3
Q
Biomass
A
the dry weight of all organic matter contained in its organisms.
4
Q
GPP (gross primary productivity)
A
the rate at which an ecosystem’s producers (usually plants) convert solar energy into chemical energy as biomass found in their tissues.
5
Q
Net primary productivity (NPP)
A
The rate at which producers use photosynthesis to produce and store chemical energy minus the rate at which they use some of this stored chemical energy through aerobic respiration.
