Observe the figures and select the correct option indicating the correct type of pyramid of numbers.

Options

A. `{:("A","B","C"),("Grass land ecosystem","Forest ecosystem","Parasite ecosystem"):}`
B. `{:("A","B","C"),("Grassland ecosystem","Pond ecosystem","Forest ecosystem"):}`
C. `{:("A","B","C"),("Forest ecosystem","Grassland ecosystem","Parasite ecosystem"):}`
D. `{:("A","B","C"),("Pond ecosystem","Forest ecosystem","Grassland ecosystem"):}`

Answer

A

Explanation

`{:("A","B","C"),("Garass land ecosystem","Forest ecosystem","Parasite ecosystem"):}`