17th October 2019

molluscs
19

How does the clam breathe?

That way, on one hand, soft shelled clams (Mya arenaria), living dug deeply into the soil of the wadden sea, feed themselves and breathe over the siphons. If it is covered with soil, it will die. Gills. The gills in a bivalve's mantle cavity serve not only respiration, but also nutrition.

What does the clams eat?

Unlike plants, which filter chemicals out of the water and use light to make food, clams are "filter feeders," meaning that they eat small organisms and algae that they pull out of the water.

How long do clams live for?

Scientists believe they have found an animal which did just that, a quahog clam, Arctica islandica, which was living and growing on the seabed in the cold waters off the north coast of Iceland for around 400 years. A clam dredged from Icelandic waters had lived for 400 years, scientists believe.
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