In a pond ecosystem,diatoms represent

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(A) In a pond ecosystem,producers include phytoplankton (e.g.,diatoms,Chlorella,Spirogyra,Chlamydomonas,etc.),free-floating macrophytes (e.g.,Lemna,Az

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Producers

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(A) In a pond ecosystem,producers include phytoplankton (e.g.,diatoms,Chlorella,Spirogyra,Chlamydomonas,etc.),free-floating macrophytes (e.g.,Lemna,Azolla),suspended macrophytes (e.g.,Utricularia,Hydrilla),submerged plants (Vallisneria),floating-leaved plants (e.g.,Nelumbo),and emergent plants (Sagittaria),etc.Since diatoms are photosynthetic organisms that convert solar energy into chemical energy,they function as producers in the aquatic food chain.

Column-$I$	Column-$II$
$(P)$ First trophic level	$(I)$ Humans,Lion
$(Q)$ Second trophic level	$(II)$ Zooplankton,Grasshopper,Cow
$(R)$ Third trophic level	$(III)$ Phytoplankton,Grass,Trees
$(S)$ Fourth trophic level	$(IV)$ Birds,Fishes,Wolf

Similar Questions

Match the following columns:
Column-$I$ Column-$II$
$(P)$ First trophic level $(I)$ Humans,Lion
$(Q)$ Second trophic level $(II)$ Zooplankton,Grasshopper,Cow
$(R)$ Third trophic level $(III)$ Phytoplankton,Grass,Trees
$(S)$ Fourth trophic level $(IV)$ Birds,Fishes,Wolf

An ecosystem can be described as:

The presence of lichens as pioneer species can be observed in which of the following successions?

The possible beneficial aspect of grazing animals is the

Which of the following groups is an absolutely essential functional component of the ecosystem?

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