I'd say C. an allergic reaction. Mainly because lots of people are allergic to many things and many people intend to have seasonal allergies cause by plants. Hope it helps!
Level 1 - Cells.
Level 2 - Tissues.
Level 3 - Organs.
Level 4 - Organ Systems.
Level 5 - Organisms.
Biology or Geology. These answers make the most sense to me.
Answer:
Prey, directly
Explanation:
In a food chain, all animals depend on prey directly for food. Sometimes prey could consist of multiple species for a given predator, but typically animals only consume their prey.
