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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.
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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 animals are bivalves?
Some examples of univalves are snails and slugs.
Why do bivalves have strong muscles?
Bivalves have strong muscles in order to hold their shells closed.
What is the scientific name for bivalves?
Bivalvia is the scientific name for the bivalves.
What mollusk group are suspension feeders?
bivalves
Why are bivalves called bivalves?
It has two valves, hence bi....
What do bivalves do when a grain of sand gets in its shell?
When life gives bivalves sand, they make pearls.
What are mollusks that have two shells held together by hinges and strong muscles called?
they are called bivalves .(:
Do Bivalves move using jet propulsion?
Bivalves move by using a blade shaped muscular foot.
Are clams bivalves?
Yes, clams are bivalves. Bivalves are a class of mollusks characterized by having a shell with two hinged valves. Clams have two shells that they can close tightly to protect themselves.
In which plane are bivalves flattened?
Bivalves are flattened in the sagittal plane. They are bilaterally symmetrical. A good example of a bivalve is a clam.
Why are snails called Univales and crabs called bivalves?
Valve means shell. A snail is a univalve because it only has one shell. Crabs are not considered bivalves. The bivalves are a group of mollusks which includes clam, mussels, and oysters, all of which have two shells enclosing the animal, hence their classification as bivalves.
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 Bivalves Are Grouped In Beds?
Bivalves commonly found grouped in beds include mussels, clams, oysters, and scallops. These bivalves often aggregate together for protection, reproduction, and access to food sources, creating dense beds or reefs that provide important habitat for other marine organisms.
