Pyramid of number becomes partly inverted partly erect for
Aquatic ecosystem
Terrestrial ecosystem
Tree ecosystem
All the above
What is the rate of secondary production in the energy pyramid given below?
$A$ : Pyramid of biomass is always upright for tree ecosystem.
$R$ : Total biomass of a tree in a specific area is more than that of herbivores.
Which of the following representations show the pyramid of numbers in a grassland ecosystem?
In an ecosystem, there are more prey than predators. This relationship is called