Clam

http://kentsimmons.uwinnipeg.ca/16cm05/1116/33-21-ClamAnatomy-L.jpg
a.) Digestive System: A clam has food brought in through a siphon system and then to its mouth. It then goes to a digstive gland and to its intestine. Wastes via the anus.

b.) Circulatory System: A clam has a heart, blood, and blood vessels.

c.) Nervous System: A clam has no formal nervous system, but has a series of ganglia that conduct impulses.

d.) Excretory System: A clam has an excretory system with an anus. It has an organ called the nephridium that gets rid of wastes.

e.) Reproductive System: A clam is either male or female and reproduces sexually with a large organ called a gonad.

f.) Integumentary System: A Mollusk has a soft, thick, fleshy body. It can be very small or as big as six feet across.

g.) Body Plan: A clam has a soft, thick, fleshy body. It can be very small or as big as six feet across.Description of its unique habitat, diet and what distinguishes it as a mollusk, echinoderm, or arthropod.