Ecosystem

Q201 Errorless 3. Critical Thinking MCQ
The figure shows a pyramid of energy which represents energy loss from a food chain to decomposers, upward transfer of energy to the next trophic level and energy loss through respiration. All diagram are in $kKm^{-2}Y^{-1}$ What is illustrated from this figure
A.
The energy of the final trophic level is not used
B.
Food chain efficiency is about $10\%$
C.
Energy loss to decomposers is higher than respiratory loss
D.
A pyramid of energy shows the nutrient transfer less clearly than a pyramid of numbers
Q202 Errorless 3. Critical Thinking MCQ
The second trophic level of longer food chains in a lake is
A.
Phytoplankton
B.
Zooplankton
C.
Benthos
D.
Fishes
Q203 Errorless 3. Critical Thinking MCQ
The figure given below represents the flow of materials between trophic levels. Which arrow is not correct
A.
IV
B.
III
C.
II
D.
I