Which of the following scenarios is representative of commensalism?
a.
tapeworms living in a mammal’s intestinal tract
b.
bees pollinating flowers
c.
birds following grazing animals who stir up insects
d.
clown fish living among sea anemones

The correct answer is C. Birds following grazing animals who stir up insects

Explanation:

In commensalism, one organism benefit from others without causing a positive or negative effect on this organism as it occurs in mutualism or parasitism. This type of biological interaction is usually a long-term interaction and benefits one of the organisms through shelter, food, protection, among others. This can be seen in the case of "Birds following grazing animals who stir up insects" because the actions of grazing animals provide birds with food which represents a benefit for birds; additionally grazing animals are neither harm nor benefit from this.

i think the answer would d

that is wrong, its not thymus.