People, Development and Environment
9.67
ASSESS YOUR LEARNING
12.
Statement I:
Pyramid of energy is always upright.
This is because during energy transfer between adja-
cent trophic levels, energy is lost in the form of heat.
Statement II:
Pyramid of biomass is inverted since
primary producers make up less biomass than primary
consumers. The inverted pyramid of biomass is seen in
a lake or pond ecosystem, as the phytoplankton is less
as compared to the small herbivorous fish.
Which of the above statements are true?
(a) Statements I and II are true.
(b) Only statement I is true.
(c) Only statement II is true.
(d) Both statements ...
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