Gdz Biologiia 7 Sumatokhin Klass Dvukhstvorchatye Molliuski Onlain [Extended • 2026]

: Most bivalves are filter feeders. They draw water into their mantle cavity through a siphon, where specialized gills trap organic particles. Internal Systems

: Unlike gastropods (snails), bivalves lack a distinct head. Their body consists of a torso and a muscular "foot" used for burrowing or anchoring. : Most bivalves are filter feeders

: Students typically study the Anodonta (swan mussel), Unio (painter's mussel), and marine species like the edible mussel and giant clam. Unio (painter's mussel)