Subject :NSO Class : Class 7
A food chain in an aquarium is shown below.
Water plants → Guppy fish → Angelfish →Snakeheads
If the snakeheads were removed, which graph shows the changes in the population of organisms in the aquarium?
A 
B 
C 
D 
Ans 1:
Class : Class 8
C would be the answer
Ans 2:
Class : Class 7
I THINK SO OPTION C IS THE CORRECT OPTION.BECAUSE GUPPY FISH WILL EAT THE PLANTS ,WHEN IT IS REDUCED THEN NO ONE WILL EAT THE PLANTS.