Annelida

Question 1 Write few characteristics of annelida kingdom?

Question 2 Give few examples of annelida kingdom?

Annelida

1)They are bilaterally symmetrical,soft,elongated,cylindrical,triploblastic,have true body cavity.
2)Due to true body cavity they have extensive organ differentiation.
3)The body is segmented with segments lined up one after the other from head to tail.
4)Alimentary canal is tube like, complete and extends straight from mouth to a anus.
5)True coelomate animal with closed blood vascular system.
6)Excretion by paired segmental nephridia which removes waste from coelem and blood stream directly to the exterior.
7)Sexes may be united or separate.
8)They live in variety of habitats.
Ex:Earthworm,leeches,sandworm

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