Wht is a major role of …
CBSE, JEE, NEET, CUET
Question Bank, Mock Tests, Exam Papers
NCERT Solutions, Sample Papers, Notes, Videos
Posted by Iqbal Ahmad 5 years, 9 months ago
- 1 answers
Related Questions
Posted by Prasanna Mendon 2 months ago
- 1 answers
Posted by Huda Fatima 1 year, 1 month ago
- 2 answers
Posted by Moksh Bhatia 1 year, 2 months ago
- 0 answers
Posted by Anmol Kumar 1 year, 1 month ago
- 0 answers
Posted by Himanshi Sharma 1 year, 1 month ago
- 0 answers
Posted by Op Garg 1 year, 1 month ago
- 2 answers
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
Meghna Thapar 5 years, 7 months ago
Characteristics of Annelida:
(i) Body triploblastic, bilaterally symmetrical, soft, elongated, vermiform and cylindrical or dorsoventrally flattened.
(ii) Exoskeleton absent; body is covered by a thin cuticle.
(iii) Alimentary canal is tube-like, complete and extends straight from mouth to ****.
(iv) Reproduction is by sexual means. Sexes may be united (hermaphroditic) or separate.
(v) True coelomate animals with closed blood vascular system. Coelom allows true organs to be packaged in the body structure.
(vi) They live in a variety of habitats. Mostly aquatic, marine or fresh water. Some are terrestrial, burrowing in tubes, some free-living forms.
Example: Nereis (sand worm) and Hirudinaria (leech).
1Thank You