In the food chain grass → grasshopper → snake → hawk, which organism(s) are the heterotrophs?

Question

a
the grasshopper, snake, and hawk
b
the hawk
c
the grass and grasshopper
d
the grass

Answer 1

The heterotrophs in this food chain are the grasshopper, snake, and hawk.

So the correct answer is option a) the grasshopper, snake, and hawk.