Hermit Crab develops a beneficial association with

Options

A. Adamsia
B. Aurelia
C. Gorgonia
D. Pennatula.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks about the beneficial association that Hermit Crab develops with another organism. We need to identify the correct organism from the given options: Adamsia, Aurelias, Gorgonia, and Penantula.

2. **Identifying the Correct Organism:**
Hermit Crabs are known to form a symbiotic relationship with sea anemones. Among the options provided, Adamsia is a type of sea anemone.

3. **Understanding the Type of Association:**
The relationship between Hermit Crabs and sea anemones is classified as commensalism. In this type of symbiotic relationship, one organism benefits while the other is neither helped nor harmed.

4. **Explaining the Benefits:**
In this association, the Hermit Crab benefits from the protection offered by the sea anemone's tentacles. The sea anemone does not gain any benefit or suffer any harm from this relationship.

5. **Choosing the Correct Option:**
Since the Hermit Crab develops a beneficial association with Adamsia (the sea anemone), the correct answer is option number 1.

**Final Answer:**
The Hermit Crab develops a beneficial association with **Adamsia**.

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