producers are the highest in number. Therefore, they occupy the base of the pyramid.
The subsequent trophic levels where the numbers of organisms decrease occupy the upper levels.
However, pyramid of numbers does not prove useful in most of the cases. Scientists have to estimate the number of organisms in each trophic level, which is a difficult task.
producers
estimate
are the highest in number. Therefore, they occupy the base of the pyramid.
The subsequent trophic levels where the numbers of organisms decrease occupy the upper levels.
However, pyramid of numbers does not prove useful in most of the cases. Scientists have to estimate the number of organisms in each trophic level, which is a difficult task.