What is commensalism and amensalism?

Explanation

### Step-by-Step Solution:

1. **Definition of Commensalism**:
- Commensalism is a type of ecological interaction where one species benefits while the other species is neither helped nor harmed. In this relationship, the benefiting species derives some advantage, while the other remains unaffected.

2. **Example of Commensalism**:
- A classic example of commensalism is the relationship between the clownfish and sea anemone. The clownfish lives among the stinging tentacles of the sea anemone. The clownfish gains protection from predators due to the anemone's stinging tentacles, while the anemone is not affected positively or negatively by the presence of the clownfish.

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