In this food web, which animal has the role of the tertiary (third) consumer?
Owl
Frog
O Cardinal
Grasshopper

Explanation:
Owl has the role of the tertiary (third) consumer, in above food web.
Answer:
Owl
Explanation:
The grass is the producer so if you go up another two stages to the cardinal, frog, and mouse, those are your secondary consumers. Since the cat isn't one of your answers, it would be the Owl. I hope this helps!