1
According to nutrition, oysters are ...
2
Most species have separate sexes, but there are also .....
3
Their body is divided into a head, a foot and a
4
They have highly developed eyes.
5
Molluscs have this type of symmetry.
6
Some are _______ and can stay latched onto rocks.
7
The organs are surrounded by a membrane called
8
Most mollusks have a rasping tongue with small teeth.
9
The strong muscular foot from gastropods secretes.
10
Molluscs perform ........ reproduction.
11
Aquatic mollusks breath through
12
The mantle secretes the
