Does Nereis belong to Annelida?

Does Nereis belong to Annelida?

Lumbricus and Nereis both belong to Annelida.

Why is Nereis called a polychaete?

Answer. Nereis possess setae and parapodia for locomotion. They may have two types of setae, which are found on the parapodia. Locomotor chaetae arefor crawling, and are the bristles thatare visible on the exterior of thePolychaeta.

Which of the following is a polychaete animal?

Polychaetes, which include rag worms, lugworms, bloodworms, sea mice, and others, are marine worms notable for well-defined segmentation of the body. Unique among annelids, most polychaete body segments bear a pair of parapodia (flat, lobelike outgrowths) with setae, or tiny bristles.

How do polychaetes differ from annelids?

Polychaetes differ from other annelids in having a well differentiated head with specialized sense organs and no clitellum. They have many setae, usually arranged in bundles on the parapodia. The head bears eyes, antennae, and sensory palps.

What is the family of Nereis?

NereididaeNereis / Family

In which phylum Nereis belongs to?

AnnelidNereis / Phylum

What does the term polychaete mean?

Definition of polychaete : any of a class (Polychaeta) of chiefly marine annelid worms (such as clam worms) usually with paired segmental appendages, separate sexes, and a free-swimming trochophore larva.

Why Nereis is called clam worm?

Nereis is a typical polychaete genus, living in burrows in sand or mud, often with clams, a reason for which its species are commonly known as clamworms or sandworms.

What does polychaete mean?

What are examples of Hirudinea?

leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior end of the body and a large sucker located at the posterior end. All leeches have 34 body segments.

How do polychaetes differ from polychaetes?

The main difference between polychaetes and oligochaetes is that the polychaetes have a pair of parapodia per body segment that bear many bristles. But, oligochaetes have few bristles on their outer surface of the body but, no parapodia.

How are Nereis different earthworms?

Both are worm-like creatures and are hermaphrodites. Although they share some features, they are different from each other. Let us see how they differ from each other!…Earthworm:

Leech Earthworm
They inhabit a wide of habitats such as freshwater, marine and terrestrial ecosystems. They mostly live in the soil.

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