The type of interaction between hermit crab and sea anemone is

Options

A. Protocooperation
B. Parasitism
C. Commensalism
D. Amensalism

Answer

To determine the type of interaction between hermit crabs and sea anemones, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organisms**: The two organisms in question are the hermit crab and the sea anemone.

2. **Understand Their Relationship**: We need to analyze how these two organisms interact with each other.

3. **Define Symbiosis**: The relationship between hermit crabs and sea anemones is a type of symbiotic relationship, which means they live in close proximity and interact in a way that affects each other's lives.

4. **Explore Types of Symbiotic Relationships**: There are several types of symbiotic relationships:
- **Mutualism**: Both organisms benefit.
- **Commensalism**: One organism benefits, and the other is neither helped nor harmed.
- **Parasitism**: One organism benefits at the expense of the other.
- **Amensalism**: One organism is harmed while the other is unaffected.

5. **Analyze the Specific Interaction**: In the case of hermit crabs and sea anemones, the hermit crab benefits by using the sea anemone for protection, while the sea anemone is not harmed by this relationship.

6. **Conclude the Type of Interaction**: Since the hermit crab benefits and the sea anemone is not negatively affected, this relationship is classified as **commensalism**.

7. **Final Answer**: Therefore, the type of interaction between the hermit crab and the sea anemone is **commensalism**.