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Q 1/12
Score 0
Over 90% of the suns energy is reflected by clouds or absorbed by the atmosphere.
30
Most of the suns energy is not converted to organic matter by photosynthesis because.....
Q 2/12
Score 0
The total quantity of the chemical energy store in plant biomass in a given area or volume.
30
Gross Primary Productivity (GPP)
12 questions
Q.
Over 90% of the suns energy is reflected by clouds or absorbed by the atmosphere.
1
30 sec
Q.
The total quantity of the chemical energy store in plant biomass in a given area or volume.
2
30 sec
Q.
Plants use 20-25% of its energy in respiration. The chemical energy store which is left when the loses to respiration have been taken into account.
3
30 sec
Q.
NPP= GPP-R
4
30 sec
Q.
Some of the organism is not consumed .
5
30 sec
Q.
N= net production
6
30 sec
Q.
Most food chains only have 4/5 trophies levels because insufficient energy is available to support a large enough breeding populations at higher trophies levels.
7
30 sec
Q.
Used in ATP and DNA
8
30 sec
Q.
Break down dead organic matter to release nutrients
9
30 sec
Q.
Phosphorous becomes embedded in rocks
10
30 sec
Q.
Wearing down of rocks releasing phosphorous.
11
30 sec
Q.
Where both organisms benefit from the relationship.
