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periwinkles belong to a group called gastropods...
Almost all marine gastropods breathe with a gill, but many freshwater species, and the majority of terrestrial species, have a pallial lung. The respiratory protein in almost all gastropods is a hemocyanin but a pulmonate family planorbidae have hemglobin as respiratory protein.
sources :www.wikipedia.com
What else can I help you with?
How are limpets and periwinkles adapted to living in the seashore?
they are both able to breathe on the sea shore
Do periwinkles eat seaweed?
Periwinkles eat microscopic algae and plankton.
How are limpets and periwinkles adapted to living on the shore?
they are both able to breathe on the sea shore
How do whelks breathe underwater?
Unlike land snails and other sea snails such as periwinkles they have a siphon or tube running out from the part of the body known as the mantle cavity to draw in water for breathing.
How can periwinkles survive in extreme cold?
Periwinkles survive in extreme colds because they are part of the evergreen family.
Do periwinkles live in groups or alone?
Periwinkles live in groups, just like mussels, to retain moisture.
Can you eat periwinkles?
yes
How do dog whelks breathe underwater?
Unlike land snails and other sea snails such as periwinkles they have a siphon or tube running out from the part of the body known as the mantle cavity to draw in water for breathing.
Where do periwinkles live?
atlantic ocean
What do periwinkles do?
humans aliens bugs
Are blue periwinkles stuck on rocks?
Blue periwinkles a stuck onto rocks by a string of dried mucas which acts like a glue.
Where will periwinkles grow?
Periwinkles typically grow along rocky shorelines, tide pools, and in salt marshes. They are commonly found in temperate regions around the world. Periwinkles thrive in intertidal zones where they can feed on algae and other plant material.
