Question

why are the numbers of tertiary cosumer (apex cosumers) always less than the those of other consumers​

Answer 1

Answer:

To mantain the balance of food chain.

Explanation:

Energy goes on decreasing from producers to the apex consumers.Apex consumers are the one to get the least energy.If the no. of apex consumers increases than the producers, primary and secondary consumers, then, the amount of energy needed by then will also increase leading to the over exploitation of the food resources by th them.

Thus, balance of the ecosystem will collapse.