EASY
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Select the ecosystem that has the lowest productivity.

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Important Questions on Ecosystem

EASY
Describe three factors which affect on decomposition.
MEDIUM
Define decomposition. Explain the main steps involved in the process of decomposition.
EASY
What is Decomposition? What are the climatic factors that regulate it?
EASY
Which one of the following ecosystem has the highest annual net primary productivity?
EASY
Describe productivity as a unit of ecosystem.
MEDIUM
Write any three differences between primary productivity and secondary productivity.
EASY
A grazing food chain cannot begin in the absence of
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The rate of storage of organic matter which is NOT used by the consumer is ______.

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The energy which is present in the biomass of plant is known as ________.

HARD
Study the following graph of the metabolic rate of various terrestrial mammals as a function of their body mass and choose the correct option below.

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EASY
In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?
MEDIUM

Choose the correct statements.

A) The total annul accounts of wet organic matter of the forest can be estimated with the annual net productivity amount of standing forest.
B) Ecosystems also exert direct physical influence that help to moderate regional and local weather.
C) Decline in pollinator activity could mean rising cost of pollination dependent fruits and vegetables.
D) Constanza and his colleagues have tried to put price tag on nature's life support services.

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The annual net primary productivity of the whole biosphere is approximately _____ (dry weight) of organic matter.
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Give a reason for each of the following:

The shape of the pyramid of biomass in an aquatic ecosystem is inverted.

HARD
What do you mean by the energy stored in plant biomass?
MEDIUM
What is correct for the Net primary productivity?
EASY
In the equation, GPP-R=NPPR represents:
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Net primary productivity (NPP) in an ecosystem is
EASY
In an ecosystem the rate of production of organic matter during photosynthesis is termed as: