A razor clam is a shellfish in the siliqua genus that lives along the eastern and western coastlines of the united states. 2 this shell has an outer tissue like layer called the periostracum that changes color as the bicuspid grows.
Razor Clam Anatomy Clams Anatomy Nature Study
The anatomy of a clam for bio 3b.
Anatomy of a razor clam. Sand they are incapable of horizontal movements. Please try again later. The ligament provides tension to bring the valves apart while one or two adductor muscles can contract to close the valves.
Pacific razor clams are bivalves. In adolescence and adult life it is a brownish yellow and brown again with old age. When the clam is very young this layer is brown.
Both the atlantic and pacific razor clam can be found buried in the sand on the shoreline as well as in sheltered locations and in the water a short distance offshore. They spend part of their time too deep in the sand to be disturbed by diggers or the surf. Like all mollusks a clam has a mantle which surrounds its soft body.
This is the video of the anatomy of a clam. A hinged joint and a ligament connect two elongated calcium based shell halves. They filter water as they.
Clams are not always found at the surface. This feature is not available right now. The soft tissue above the foot is called the visceral mass and contains the clams body organs.
A razor clam reaches maturity in its second year of life. Pacific razor clams are a highly desirable shellfish species and are collected by both commercial and recreational harvesters. The razor clam has a slender lengthy 1 slightly curved shell.
I uploaded it so the people in my biology lab could see it. A pacific razor clam has a mouth a heart kidneys gills and an anus. Many have a siphon.
Razor clams have the ability of digging up to a foot in a minute and have been recorded at depths more than four feet. It also has a muscular foot which enables the clam to burrow itself in mud or sand. Clams also have kidneys a heart a mouth a stomach a nervous system and an anus.
Razor clams like other shellfish may accumulate dangerous levels of the marine toxin domoic acid. Anatomy of a pacific razor clam razor clam shells.
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