NCERT Important Questions Class 9 Science biology Chapter 7
Important NCERT Extra Questions
Chapter 7 Diversity in Living Organisms
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
How do annelid animals differ from arthropod animals?
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Annelid animals differ from Arthropod animals in following respects:
Annelid:-
1. Animals are metamerically segmented both extemally as well as internally.
2. Exoskeleton absent
3. Appendages are not jointed.
4. Excretion by nephridia.
Arthropod:
1. Animals are segmented both internally as well as extenally.
2. Exoskeleton present.
3. Appendages are jointed.
4. Nephridia are absent. Excretion by coelomoducts, Malpighian tubules or
green glands.