energy and food webs Flashcards
(8 cards)
1
Q
standing crop
A
bodies of living organisms within unit area
2
Q
biomass
A
mass of organisms per unit area of ground
3
Q
first law of thermodynamics
A
energy cannot be created or destroyed
4
Q
second law of thermodynamics
A
some energy is lost in heat when energy converts from one form into another
5
Q
primary productivity
A
rate at which light energy is converted by photosynthesis to biomass
6
Q
GPP
A
total rate of photosynthesis
7
Q
NPP
A
plan growth per unit area per time
8
Q
connectance equation
A
actual number of interspecific interactions/ potential number
