Q. 15.0( 3 Votes )
Give an account on phylum Annelida.
i. Earthworms, leeches and marine worms belongs to this phylum.
ii. They are segmented worms.
iii. They have a body cavity called coelom.
iv. They have movable bristles called setae which help in their movement.
v. They have a nervous system with brain.
vi. They have Nephridia which help to remove metabolic wastes.
vii. The most common larva is trochopore.
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