science
Grade-2
Easy

Question

How many types of aquatic ecosystems are there?

  1. Three
  2. Four
  3. Five
  4. Two

hintHint:

Aquatic ecosystem includes freshwater and marine habitats and the animals and plants living there.

The correct answer is: Two


    • There are two types of Aquatic ecosystem. 
    • Freshwater ecosystem:  lake,  river  etc.
    • Plants and animals living here interact with each other .
    • Marine ecosystem: ocean , reefs etc.