five differences between Mollusca and Echinodermata - Science - Diversity in Living Organisms

Question

five differences between Mollusca and Echinodermata

Nishi Dwivedi · Accepted Answer

Molluscs
Echinodermata

Soft bodies covered with shell
Body covered with spiny epidermis, absence of
shell

Bilateral symmetry
Radial symmetry

Presence of head
Absence of head

Open circulatory system
Water vascular system

Muscular foot which helps to
move
Tube feet help to move

Molluscs	Echinodermata
Soft bodies covered with shell.	Body covered with spiny epidermis, absence of shell.
Bilateral symmetry	Radial symmetry
Presence of head	Absence of head
Open circulatory system.	Water vascular system
Muscular foot which helps to move.	Tube feet help to move.