Write a short note on commensalism.

Explanation

### Step-by-Step Solution on Commensalism

**Step 1: Definition of Commensalism**
Commensalism is a type of symbiotic relationship between two species where one species benefits while the other is neither helped nor harmed. This means that in this interaction, one organism gains advantages such as food, shelter, or protection, while the other organism remains unaffected.

**Step 2: Characteristics of Commensalism**
In commensalism, the species that benefits is called the commensal, and the species that is not affected is referred to as the host. The key characteristic of this relationship is that the host does not experience any significant positive or negative effects from the interaction.

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