Ammonification is carried by the action of ……
a) fungus
b) aerobic and anaerobic bacteria
c) bacteria
d) all of these
Energy Flow Through An Ecosystem:
On
average, how much percentage of net energy production at one trophic level is
passed on to the next level?
a) 5
b) 10
c) 20
d) 90
Explanation: 90% are used by organism for itself processes.
The total amount of organic matter that an ecosystem produces through photosynthesis is called…….
a) gross primary productivity
b) net primary productive
c) gross primary utility
d) gross mass productivity
In an ecosystem having for tropic levels the amount of energy fixed at producer level is 23197 kcal about how much energy will be produced by the primary consumers?
a) 2317 kcal
b) 232 kcal
c) 1564 kcal
d) 23197 kcal
The amount of energy that remains available for plant growth after subtracting the fraction that plants use for respiration is called……..
a) gross primary productivity
b) net primary productive
c) gross primary utility
d) gross mass productivity
