Answer: The population of mice and snakes will also reduce and plants population will increase.
Step-by-step explanation:
Plants are producers that synthesize food by the help of the process known as photosynthesis. This process provides food to grass hoppers.
Grasshoppers are eaten by mice and mice is eaten by snakes. If the grasshoppers will be removed from the ecosystem then rest all the other organisms will be decreased in number.
Plants will increase in number as there will be no grasshopper to feed on them.