Answer the following question given this paragraph: 

Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected. An example is the relationship between birds called cattle egrets and cattle (see Figure below ). Cattle egrets feed on insects. They follow cattle herds around to take advantage of the insects stirred up by the feet of the cattle. The egrets get ready access to food from the relationship, whereas the cattle are not affected.


Q: What is the term for a symbiotic relationship in which one species benefits while the other species is not affected?

 Choices:

- parasitism

- mutualism

- pollenation

- commensalism

A:
commensalism
