Question

Give the general characteristics of phylum Mollusca.

Answer 1

Answer:

• They are bilaterally symmetrical.
• They are triploblastic, which three layers.
• They show organ system grade of organisation.
• The body is soft and unsegmented.
• Body is divisible into three regions – head, a visceral mass, and ventral foot.
• Body is covered by a mantle and shell.

Explanation:

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Answer 2

Answer:

Explanation:

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Characteristic Features of Phylum Mollusca:-

>They are bilaterally symmetrical.

>They are triploblastic, which three layers.

>They show organ system grade of organisation.

>The body is soft and unsegmented.

>Body is divisible into three regions –

• head

•a visceral mass

•ventral foot.

>Body is covered by a mantle and shell.