Fish have a circulatory system with a two-chambered heart.
Fish fish are the ultimate aquatic organism.
The ultimate aquatic organism has a circulatory system with a two-chambered heart.
the ultimate aquatic organism has a circulatory system with a how many chambered heart.?

a. ligt
b. moss
c. Frog
d. tube
e. clam
f. two
g. size
h. Aves