Give any two examples of commensalism.

Explanation

### Step-by-Step Solution:

1. **Define Commensalism**:
Commensalism is a type of symbiotic relationship between two organisms where one organism benefits while the other is neither helped nor harmed.

2. **Identify the First Example**:
One common example of commensalism is the relationship between cattle and egrets. Egrets often follow cattle and feed on insects that are disturbed by the movement of the cattle. In this case, the egret benefits by getting food, while the cattle are unaffected.

...