Which of the following is an example of a commensalism?
A) fungi residing in plant roots, such as endomycorrhizae
B) bacteria fixing nitrogen on the roots of some plants
C) rancher ants that protect aphids in exchange for sugar-rich honeydew
D) cattle egrets eating insects stirred up by grazing bison

Question

Quizplus · Accepted Answer

Commensalism is a type of relationship where one organism benefits and the other is neither helped nor harmed. In the case of cattle egrets and grazing bison, the egrets benefit by getting easy access to insects stirred up by the bison, while the bison are unaffected by the presence of the egrets.

Which of the Following Is an Example of a Commensalism