Question

Locomotory organs of Annelida are

• A. Suckers
• B. Parapodia
• C. Setae
• D. All of the above

Answer 1

The correct option is D All of the above

Annelida possesses longitudinal and circular muscles which help in locomotion. Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming. Parasitic animals like Leech possess suckers while earthworm possesses setae which aid in locomotion. Setae and parapodia are locomotory structures in annelids. Except for leeches, unjointed chitinous setae are often present.

So, the correct answer is an option (D)