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Write Down Four Main Characters of Annelida.

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Write down four main characters of Annelida.

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Solution

Main characteristics of Annelida:
(i) They are triploblastic, bilaterally symmetrical, coelomate, soft and elongated animals.
(ii) Their body is metamerically segmented externally by transverse grooves and internally by septa.
(iii) They have a tube-like alimentary canal, which is complete and extends straight from mouth to anus.
(iv) Reproduction is sexual. Sexes may be separate or united (hermaphrodite).
Examples: Sea mouse, earthworm etc.

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Chapter 4: Diversity in Living Organisms - Short Questions Answer 1 (Carrying 2 Marks) [Page 260]

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P S Verma and V K Agarwal Biology [English] Class 9
Chapter 4 Diversity in Living Organisms
Short Questions Answer 1 (Carrying 2 Marks) | Q 31 | Page 260

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