Gdz Biologiia 7 Sumatokhin Klass Dvukhstvorchatye Molliuski 🆓

: They are filter feeders . Water enters through an inhalant siphon, passes over the gills where food particles are trapped, and exits through an exhalant siphon.

Mouth (near the foot), stomach, liver, and intestine. They lack a radula (grating tongue). Plate-like gills (ctenidia) located in the mantle cavity. Excretory Two kidneys that open into the mantle cavity. Nervous Simplified, consisting of three pairs of ganglia. Ecological and Economic Importance gdz biologiia 7 sumatokhin klass dvukhstvorchatye molliuski

: Consists of two symmetrical valves connected by a flexible ligament and a "lock" (hinge). : They are filter feeders

: Like most mollusks, they have an open circulatory system where the heart pumps blood into the body cavity. Internal Anatomy Summary Characteristic Digestive gdz biologiia 7 sumatokhin klass dvukhstvorchatye molliuski