Hawk eats Snakes and squirrels in this food web.
Explanation:
Data given on food web:
sun - producer
grasshopper consumer
grasshopper⇒ squirrel, wolf and snake
squirrel ⇒ wolf, snake, and bird.
wolf died and decomposes
bird⇒ decomposes with mushrooms and worms
decomposition⇒ nutrients in soil
Hawks are the carnivores and bird. They can be either secondary or tertiary consume in a food web.
Hawk predated on Snakes and squirrels in this food web
The food chain or web given is written as
sun⇒ grasshopper ⇒ squirrel ⇒ wolf, snake or hawk ⇒ hawk or wolf
so snakes and squirrels are eaten by hawks in this food web.
The arrow pointing towards show the predator.