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
: 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
: As filter feeders, they clean bodies of water by removing organic suspension. Mouth (near the foot), stomach, liver, and intestine
: Some species (pearl oysters) produce pearls and mother-of-pearl (nacre) used in jewelry. Mouth (near the foot)
Урок 2: Классы моллюсков - Ростелеком Лицей
: Species like oysters, mussels, and scallops are important food sources for humans and marine life.
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
: 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.
: As filter feeders, they clean bodies of water by removing organic suspension.
: Some species (pearl oysters) produce pearls and mother-of-pearl (nacre) used in jewelry.
Урок 2: Классы моллюсков - Ростелеком Лицей
: Species like oysters, mussels, and scallops are important food sources for humans and marine life.
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