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Each trophic level has a certain mass of...

Each trophic level has a certain mass of living organic material at a particular time, called as :-

A

Standing crop

B

Standing state

C

Biotic potential

D

All of the above

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A
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Which of the following statement/s regarding ecological pyramid is/are wrong? I. In most ecosystem, all the pyramids, of number, of energy and biomass are upright. II. Each trophic level has a certain mass of living material at a particular time called as the standing crop. III. The pyramid of biomass in sea is generally upright because the biomass of fishes far lower that of phytoplankton. IV. Pyramid of energy is always upright, can never be inverted. V. Energy at a lower trophic level is always less than at a higher level.

Consider the following for statements (1 - 4 ), select the correct option starting which ones are true (T) and which ones are false (F) (1) An orgenism at each trophic level depends on those at a higher energy demands. (2) Each trophic level has a certain mass of living material at a particular time called standing state . (3) Each trophic level has a certain mass of non-living material at a particular time called standing state . (4) The number of trophic levels in a grazing food chain is not restricted.

(A) Each trophic level, a certain mass of living material at a particular time and as …….P………. (B)Breakdown of detritus into smaller particles , this process is called ………Q………. Fill in the blanks with suitable word.

Fill in the blanks with a suitable word . i. The vertical distribution of different species occupying different levels is called ......a....... ii. The breakdown of detritus into smaller particles is called .......b....... iii. In each trophic level , a certain mass of living material at a particular time is called .......c.......

The mass of living material at a trophic level at a particular time is called

The mass of living material at a trophic level at a particular time is called:

At each trophic level the energy value :

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