alleryParapodia used for locomotion in the aquatic annelid Nereis are best described as
ACilia on comb plates
BJointed articulated legs
CLateral fleshy appendages
DMuscular pseudopodia
Answer & Solution
Correct answer: C. Lateral fleshy appendages
1. Nereis is an aquatic (marine) annelid.
2. It possesses lateral fleshy outgrowths called parapodia, one pair per segment.
3. Parapodia beat rhythmically to help the animal swim through water.
4. Cilia are found in ctenophores; jointed legs are arthropod features; pseudopodia are amoeboid.
_Source: syllabus Biology, Ch 4 "Animal Kingdom", §4.2.6_
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