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What are phytoplankton?...

What are phytoplankton?

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In a lake , phytoplankton grow in abundance in

Assertion: The pyramid of biomass in sea is generally inverted. Reason: The biomass of fishes far exceeds that of phytoplankton.

A: Ecological pyramid of biomass is generallly inverted in sea R: Biomass of fishes for exceeds that of phytoplanktons.

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.

Phytoplanktons are

Phytoplanktons are

Phytoplanktons are an important part of ocean food chains. They are found in high productivity zones of an ocean. An increase in ocean temperature during specific times causes the death of phytoplanktons. If all phytoplanktons die in the given food chain, then

Aerobic bacteria collect near illuminated phytoplankton due to