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What makes a roundworm a nematode?

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Created: 2022-04-06 21:18:14

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Roundworms (nematodes) are bilaterally symmetrical, worm-like organisms that are surrounded by a strong, flexible noncellular layer called a cuticle. Their body plan is simple. The cuticle is secreted by and covers a layer of epidermal cells.


What are the key characteristics of roundworms nematodes )?

Following are the important characteristics of Nematoda:Their body is bilaterally symmetrical and triploblastic.They are cylindrical in shape.They exhibit tissue level organization.Their body has a cavity or pseudocoelom.The alimentary canal is distinct, with the mouth and the anus.They are sexually dimorphic.Phylum Nematoda-Characteristics And Classification of Nematodes

How are nematodes classified?

Like many other organisms in kingdom Animalia (also referred to as metazoa) nematodes are eukaryotic, multicellular organisms that obtain nutrients from organic sources. Nematodes/roundworms make up the phylum Nematoda.

What makes Nematoda unique?

One unifying characteristic that makes the phylum unique, is the lack of cilia or flagella – even the sperm of nematodes are amoeboid. Nematodes as parasites have been known for a long time and the earliest recorded literary mention of them is an Egyptian papyrus from 1500 BC.

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