Mollusk Body Plan Diagram. The basic body plan of a mollusk is shown in Figure below. The Shape of Life series presents an animation of the body plan of a specific mollusk the abalone.
Anatomy Of The Soft Parts Of A Typical Clam Zoology Biology Class Marine Biology from www.pinterest.com
Body Plan and Symmetry The type of symmetry that mollusks have is bilateral symmetry. The main distinguishing feature is a hard outer shell. A bivalves soft body is protected on both sides by the mantle lobes.
They usually show bilateral symmetry.
Some mollusks are nearly microscopic. The space within is called the mantle cavity. Some mollusks are nearly microscopic. The body of molluscs is un-segmented with a distinct head muscular foot and visceral hump.
