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 . Water enters through an inhalant siphon, passes over the gills where food particles are trapped, and exits through an exhalant siphon. gdz biologiia 7 sumatokhin klass dvukhstvorchatye molliuski

: Like most mollusks, they have an open circulatory system where the heart pumps blood into the body cavity. Internal Anatomy Summary Characteristic Digestive : Consists of two symmetrical valves connected by

Урок 2: Классы моллюсков - Ростелеком Лицей gdz biologiia 7 sumatokhin klass dvukhstvorchatye molliuski

: Species like oysters, mussels, and scallops are important food sources for humans and marine life.