Chapter 55 Flashcards
0
Q
Dentritus
A
Non living organic matter
1
Q
Detritivores
A
Decomposers
Consumers that derive their energy from dentritus
2
Q
Important dentritvores
A
Prokaryotes and fungi
3
Q
What connects all tropic levels?
A
Decomposition
4
Q
Primary production
A
The amount of light energy converted to chemical energy by autotrophs during a time period
5
Q
Secondary production
A
The amount of chemical energy in food converted to new biomass during a period of time
6
Q
Carbon cycle
A
CO2 is taken up and released through photosynthesis
7
Q
Nitrogen cycle
A
Organic nitrogen is decomposed to NH by ammonification
8
Q
Eutrophication
A
Caused by sewage runoff
Results in excessive algal growth that can greatly harm freshwater ecosystem
9
Q
Acid rain
A
pH less than 5.6
Caused by combustion of fossil fuels
