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Ecosystem

Short Answer Type

91.

An electrostatic precipitator in a thermal power plant is not able to generate high voltage of several thousands. Write the ecological implication because of it.

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92.

What is a trophic level in an ecosystem? What is ‘Standing crop’ with reference to it?

93.

Explain the role of the ‘first trophic level’ in an ecosystem.

94.
How is the detritus food chain connected with the grazing food chain in a natural ecosystem?

GFC is Grazing Food Chain: It is depicted as below :
Producers → Primary consumers → Secondary consumers

DFC is Detritus Food Chain : It begins with the dead organic matter. It is made up of decomposers which are heterotrophic organisms like fungi, bacteria etc.

GFC is the major conduct for energy flow. DFC may be connected with GFC at some levels: Some of the organisms of DFC are prey to the GFC animals.

$Producers \overset{↓ Decomposers}{\to} Primary consumers Primary consumers \overset{↓ Decomposers}{\to} Secondary consumers$