Gdz Biologiia 7 Sumatokhin Klass Dvukhstvorchatye Molliuski -

Урок 2: Классы моллюсков - Ростелеком Лицей

: Swan mussels ( Anodonta ), thick-shelled river mussels ( Unio ), and giant clams ( Tridacna ). gdz biologiia 7 sumatokhin klass dvukhstvorchatye molliuski

: The body is laterally compressed and divided into two main parts: the trunk and the wedge-shaped foot . Unlike gastropods, bivalves lack a head, tentacles, and eyes. thick-shelled river mussels ( Unio )

: 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. bivalves lack a head

: As filter feeders, they clean bodies of water by removing organic suspension.

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