Answer:
Option (1)
Explanation:
A terrestrial ecosystem is usually referred to as the ecosystem comprising all the trees and plants such as the grasslands, deciduous as well as the rainforest areas.
On the other hand, an aquatic ecosystem refers to the water bodies where there occur different species of living organisms and that interacts with the components of its ecosystem.
The above-given statement is false. It is because the major components are given here namely the water, fishes, algae, and planktons represents an aquatic ecosystem. The sand here is an abiotic component that used to be present in the aquatic ecosystem also. Here, the fishes feed on the planktons and these planktons also feed on the algae.
Thus, the correct answer is option (1).
