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an eversible cloca for copulation occurs...

an eversible cloca for copulation occurs in the male of

A

Rana

B

necturnus

C

icthyophis

D

hyla

Text Solution

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Question**: The question asks about which male amphibian possesses an eversible cloaca for copulation. An eversible cloaca is a structure that can be turned inside out, which is significant for reproductive purposes. 2. **Analyzing the Options**: - **Option 1: Rana** - This refers to the genus of true frogs. They do not have an eversible cloaca. - **Option 2: Necturus** - This is a genus of salamanders, specifically mudpuppies. They also do not possess an eversible cloaca. - **Option 3: Ichthyophis** - This genus refers to caecilians, which are limbless amphibians. They are known to have an eversible cloaca for internal fertilization. - **Option 4: Hyla** - This refers to tree frogs, which do not have an eversible cloaca. 3. **Identifying the Correct Answer**: Based on the analysis, the only option that fits the description of having an eversible cloaca for copulation is **Option 3: Ichthyophis**. 4. **Conclusion**: Therefore, the correct answer to the question is Ichthyophis.
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