Question

Write about Mollusca in detail?

Answer 1

Heya!!

Molluscans are triploblastic coelom area and usually with bilateral symmetry. They are terrestrial, marine and fresh water inhabitants.
Soft bodies with protective hard shell. Shells are of various shapes-conches, cowrie shells, flat and spiral, etc. The body is unsegmented and divided into a head, a ventral soft and muscular foot, and a dorsal visceral hump. The skin is soft and over the hump it forms a mental. The visceral hump contains the main digestive and circulatory organs.

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Answer 2

✨ hey here is ur answer ✨

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PHYLUM : MOLLUSCA ⤵⤵⤵⤵

1) phylum mollusca includes aquatic forms like snails ,slugs, squids, conches , cuttle and fishes etc ...

2) The animal body is soft and unsegmented with external appendages

3) The body is usually differentiated into three regions ➡ anterior head with sense organs , dorsal visceral mass containing organ - system and ventral foot for locomotion

4) alimentary canal is complete

5) respiration usually takes place by gills called ctenidia

6) A thin, fleshy fold covers the body. This fold is called the mental. It encloses a cavity, called Mantle cavity. The anal, excretory and genital apertures are situated in this cavity.....

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# ✨ AMAYRA RAJPUT✨

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