Plankton, Nekton and Benthon are NOT the components of which one of the following ecosystems?

A. Marine water

B. Freshwater

C. Grassland

D. Pond

Answer: Option C

Solution(By Examveda Team)

Plankton, Nekton and Benthon have aquatic emergence whether it is Marine water, freshwater or pond. These are not components of the Grassland ecosystem.