Question

Write in deail the characterics of : arthropoda and mollusca
(refer to the testbook for proper ideas . cleary answer in points.

Answer 1

Answer:

Arthropoda Mollusca

Body is segmented into head, thorax, and abdomen Body is not segmented

Have jointed appendages Do not have jointed appendages

Have a Chitinous exoskeleton Have a calcareous exoskeleton (if present)

Shed the chitinous exoskeleton at regular intervals Do not shed the chitinous exoskeleton at regular intervals