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Introduction to Ecosystem Function

What is the r...

Question

What is the role of first trophic level in ecosystem

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Solution

Dear Student

A food chain starts at trophic level 1 or first trophic level with primary producers such as plants. It is the basic unit. These organisms can live without feeding on any of the other trophic levels.

They only need sunlight and water which they can transform into energy. Rest all trophic levels depend on this level for energy.

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Similar questions

Q. [5]
(a) What is a trophic level in an ecosystem ? What is 'standing crop' with reference to it ?

(b) Explain the role of the 'first trophic level' in an ecosystem.

(c) How is the detritus food chain connected with the grazing food chain in a natural ecosystem ?

Trophic levels in ecosystem is formed by :

What is the first trophic level in a lake ecosystem?

Q. Match the trophic levels with their correct examples in pond ecosystem.

(a)	Fourth trophic level	(i)	Phytoplankton
(b)	Second trophic level	(ii)	Small fishes
(c)	First trophic level	(iii)	Zooplankton
(d)	Third trophic level	(iv)	Large fishes

Q. What is ecosystem ? Explain the structure of ecosystem and draw a diagram of trophic levels of an ecosystem.

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