Webbsome have eyes and sensory tentacles along outer edge of mantle bivalves respiration & feeding mantle cavity of a bivalve contains gills that are used for gas exchange as well as feeding in most species most are suspension feeders- trap small food particles in mucus that cotas gills, and cilia then convey those particles to the mouth WebbThe edge of the mantle secretes the outer layers (forming rings of shell as the animal grows), whereas the entire mantle surface secretes the inner shell layer. Thus the inner, …

Is it true that parts of Earth

Webb11 maj 2024 · Though the mantle was previously thought of as a homogenous layer, geologists detected two colossal regions inside it, one that straddles Africa and one below the Pacific Ocean, where earthquake... Webb8 juni 2024 · The mantle is the dorsal epidermis in mollusks; in some mollusks it secretes a chitinous and hard calcareous shell. Key Terms visceral mass: the soft, non-muscular metabolic region of the mollusc that contains the body organs mantle: the body wall of a mollusc, from which the shell is secreted girl child day images

What Is a Mantle in the Body of a Mollusk? - ThoughtCo

WebbRM 2M9G6RG – A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea. As mollusks … WebbOuter Core - this is a liquid layer of iron and nickel which flows around the centre of the Earth, creating its magnetic field. Mantle - this is split into the lower and upper mantle. Outer Crust - this is the thin outer layer of the Earth, made up of granite, sedimentary rocks and metamorphic rocks, otherwise known as tectonic plates . WebbThe ligament typically develops either externally (parivincular) or internally (alivincular) but comprises outer lamellar, and inner fibrous, layers secreted by the mantle crest. The ligament type is generally characteristic of each bivalve group. functional bodywork therapy llc