1
Molluscs with an internal shell
2
They have a spiny skin.
3
They have cephalothorax and ten legs.
4
Molluscs with one shell
5
Arthropods with many legs.
6
Name of the group of jellyfish
7
They have cephalothorax and eightlegs.
8
Arthropods with six legs.
9
They have two shells
10
They have no circulatory system