The disadvantages of the pyramid of productivity as a representation: The rate of biomass production of an organism is required, which involves measuring growth and reproduction through time. There is still the difficulty of assigning the organisms to a specific trophic level.
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If the type of food available changes, then the frequency of beak also changes.
If they're more diverse they adapt faster to changing conditions meaning the population is less likely to diminish in the event of a change in their ecosystem.
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<h3>Water creates pressure inside the cell that helps it maintain shape. ... Without water, cell membranes would lack structure, and without proper membrane structure, cells would be unable to keep important molecules inside the cell and harmful molecules outside the cell.</h3>
