Answer:
The correct option is C. plant species it eats
Step-by-step explanation:
A habitat can be described as a location or a place where an organism lives.
A niche can be described as the role that it plays in a habitat or an ecosystem.
Option C mentions the plant species that a grasshopper eats. Hence, it will be the niche for the grasshoppers not its habitat.
Other options like option A, continents where the grasshoppers live and option B, locations where it shelters can be described as the habitat.