Question

What  are  the  major  characteristics  of  the  mollusk
phylum

Answer 1

nsegmented soft body with bilateral symmetry. Presence of an internal or external shell. A toothed tongue (made mostly of chitin) called the radula. A mantle which is a fold in the body wall that lines the shell.

Answer 2

• The body of molluscs is soft and unsegmented.
• The body is usually enclosed in a calcareous shell.
• The body is divisible into head, mantle, foot and visceral mass.
• They have a single muscular foot.
• They are found in water and live on land as well. Examples: snail, octopus, mussel, slug, etc.