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What is a parapodia?

Parapodia are paddle-like structures found on the sides of certain marine worms and mollusks. They are used for locomotion and breathing, with rows of setae (bristles) that help the organisms move through the water.


Parapodia are found on what type of annelids?

Parapodia are found on polychaete annelids, which are marine worms characterized by their numerous bristle-like extensions called chaetae on each body segment. These parapodia aid in locomotion and respiration.


The brushlike structures on a polychaete body are called?

The brushlike structures on a polychaete body are called parapodia. They are used for locomotion, respiration, and sometimes for feeding in many species of polychaetes, which are a type of marine annelid worm.


How many parapodia are found per segment in earthworm?

Earthworms do not have parapodia.


What are setae and what are their importance is?

Setae are small, bristle-like structures found on the body of some animals, such as insects and worms. They are important for sensory perception, movement, and protection. Setae can help the animal detect changes in its environment, navigate through its surroundings, and ward off predators.


How do marine polychaetes use chitin hardened body parts?

Marine polychaetes utilize chitin-hardened body parts, such as their setae and parapodia, for various functions. These structures provide support and rigidity, aiding in movement and burrowing through sediment. The hardened setae also serve as a defense mechanism against predators. Additionally, these adaptations help polychaetes anchor themselves in their habitats and enhance their feeding strategies by allowing them to manipulate their environment.


What are a worms appendages?

Worms, particularly earthworms, do not have traditional appendages like limbs; instead, they possess bristle-like structures called setae that help with locomotion and grip the soil. These setae are located on segments of their bodies and can be extended or retracted as needed. Some worms, like polychaetes, have fleshy, paddle-like appendages called parapodia that assist in movement and respiration. Overall, their adaptations are well-suited for a burrowing lifestyle rather than for traditional appendage functions.


What is the function of parapodia?

Locomotion & Oxygen Exchange


What phylum consists of worms with parapodia?

Phylum Annelida.


Where are parapodia found?

Parapodia are found in certain groups of annelids, particularly in polychaetes, which are a class of segmented worms. These structures are lateral extensions of the body segments and serve various functions, including locomotion and gas exchange. Parapodia can vary in form and complexity, depending on the species and their ecological adaptations.


How do bristles help the earthworm in its movement?

Bristles also known as setae. They work as legs; they grip to soil with the setae. Setae also can dig through soil.


What does setae mean?

Setae are small, bristle-like structures found on the bodies of certain animals, such as worms and insects. They are often used for various functions including movement, sensory perception, and defense.