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What do bivalves look like?
Bivalves are mollusks with two hinged shells that they can close for protection. They come in various shapes and sizes, and their shells can have different colors and patterns. Bivalves do not have a distinct head or radula but have a muscular foot for movement and feeding.
Are bivalves protostomes or deuterostomes?
Bivalves are protostomes. They belong to the phylum Mollusca, which is characterized by protostome development. This means that during their embryonic development, the blastopore becomes the mouth.
Why bivalves are useful environmental indicators organism?
Bivalve's are useful environmental indicator organism because most bivalves are filter feeders specially in polluted area or in a water and they filter most bacteria where polluted area is present.
How do bivalves obtain oxygen?
Bivalves obtain oxygen through their gills, which are feathery structures that extract oxygen from water as it passes through the bivalve's mantle cavity. The gills have a large surface area for efficient oxygen exchange, allowing the bivalve to breathe while submerged.
What is the order of bivalves?
Bivalves, a class of mollusks, are primarily categorized into several orders, with the most notable being Pectenida (scallops), Ostreoida (oysters), and Veneroida (clams and cockles). Other important orders include Mytiloida (mussels) and Cardiida (cockles). Bivalves are characterized by their two-part hinged shells and are primarily filter feeders, playing a crucial role in aquatic ecosystems. Their diversity allows them to inhabit a wide range of environments, from freshwater to marine ecosystems.
What eats bivalves?
Bivalves are eaten by a variety of predators in aquatic ecosystems, including fish, crabs, sea stars, birds, and some marine mammals like otters. These animals have adapted to crack open the shells of bivalves to access the nutritious soft tissues inside.
What animals that has a pair of hard shells?
Bivalves ( clams. mussels, scallops)
What animals clean pollutants out of the water?
Certain bivalves, such as mussels and clams.
Is a scallop a kind of clam?
No. Scallops and clams are both bivalves, but they are two different animals.
What is the scientific name for bivalves?
Bivalvia is the scientific name for the bivalves.
Why are bivalves called bivalves?
It has two valves, hence bi....
What mollusk group are suspension feeders?
bivalves
Do all SEA animals have spines?
Not at all. Fish and dolphins and such have spines, but the ocean is filled with invertebrates. Crustaceans, bivalves, molluscs, annelids, you name it.
What animals went extimct in the Silurian period?
Brachiopods,Bivalves,Echinoderms,Bryozoans,and some corals went extinct and yes these are real words.
Why do bivalves have strong muscles?
Bivalves have strong muscles in order to hold their shells closed.
What is the circulation of a bivalves?
Bivalves have an open circulatory system, where blood is pumped by a heart into a hemocoel, bathes the tissues, and then is filtered through the gills for oxygen exchange before returning to the heart. This system is less efficient than closed circulatory systems found in some other animals.
How do bivalves escape predators?
They don't. Most bivalves shells protect them from predators, but some become prey to the more intelligent or even more brute animals of the sea. The exception to this is the scallop, which can actually propel itself by opening and closing its shell with enough force to "fly" away from danger.
