In a food web,hyenas and vultures are:

Choose the correct sequence of True $(T)$ and False $(F)$ statements:
$(1)$ Zooplanktons are primary producers in an aquatic ecosystem.
$(2)$ Decomposition is largely an oxygen-requiring process.
$(3)$ In a natural ecosystem, fishes, wolf, etc., are carnivores.
$(4)$ The amount of energy decreases at each successive trophic level.

$Mr. X$ is eating curd. What is his trophic level in the food chain for this food?

Which of the following characteristics can be observed in ecological succession?

$A$: The soil of tropical rain forests has a low base content.
$R$: Such soil shows less percolation and leaching.

Which of the following processes is faster?