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A dorsal ciliated groove for directing f...

A dorsal ciliated groove for directing food into mouth is found in

A

Aphrodite

B

Chaetopterus

C

Terebella

D

Tubifex

Text Solution

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The correct Answer is:
To solve the question regarding which organism has a dorsal ciliated groove for directing food into the mouth, we will analyze the options provided and determine the correct answer step by step. ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks for an organism that possesses a dorsal ciliated groove that helps in directing food into its mouth. 2. **Analyzing the Options**: - **Option 1: Aphrodite**: This organism does not have a dorsal ciliated groove for food intake. Instead, it engulfs food indirectly, making this option incorrect. - **Option 2: Ketopateris**: This organism, also known as a tubeworm, is a genus of polychaetes. It is known for having a dorsal ciliated groove that aids in directing food into its mouth. The food is engulfed directly by this mechanism, which aligns with the requirement of the question. 3. **Conclusion**: Based on the analysis, the correct answer is **Ketopateris** (Option 2). ### Final Answer: The dorsal ciliated groove for directing food into the mouth is found in **Ketopateris**. ---
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