Assertion: In annelids, longitudinal and circular muscles help in locomtion.
Reason: Aquatic annelid like Nereis is monoecious, and possess lateral appendages, parapodia, which help in swimming.

Nereis possesses lateral appendages called parapodia which help in

Nereis possesses lateral appendages called parapodia which help in

Aquatic annelids like______,posses lateral appendages, parapodia which help in swimming.

Aquatic annelids like______,posses lateral appendages, parapodia which help in swimming.

Which among the following does not help in the locomotion of aquatic annelids?

Which among the following does not help in the locomotion of aquatic annelids?

Read the following statements : (a) Over one - third of all named species on earth are arthropods. (b) All mollusuc contain a file like a rasping organ for feeding. (c ) Nereis possess parapoida which help in swimming. (d) Development is indirect in Bufo. Choose the incorrect statements.

Read the following statements about phylum Annelida. Identify the true and false statements and select the correct option after referring to the given table . A. Annelids are diploblastic , metamerically segmented , coelomate animals. B. Their neural system consists of paired ganglia connected by lateral nerves to a single ventral nerve cord . C. They process longitudinal and circular muscle fibres which help in locomotion . D Nephridia help them in osmoregulation and excretion.

Read the following statements about phylum Annelida. Identify the true and false statements and select the correct option after referring to the given table . A. Annelids are diploblastic , metamerically segmented , coelomate animals. B. Their neural system consists of paired ganglia connected by lateral nerves to a single ventral nerve cord . C. They process longitudinal and circular muscle fibres which help in locomotion . D Nephridia help them in osmoregulation and excretion.