Q. Consider the following:
1.Grasslands
2.Savannas
3.Mangrove forests
4.Rocky plateaus
5.Tropical rainforests
How many of the above are examples of Open Natural Ecosystems (ONEs)?
Answer: B
Notes:
Explanation: Grasslands, savannas and rocky plateaus are examples of Open Natural Ecosystems. Mangrove forests and tropical rainforests are predominantly tree-dominated ecosystems and are not classified as open natural ecosystems in this context.
Source- PIB
