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What are the key characteristics of roundworms nematodes )?

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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.


What are the characteristics of a roundworm?

Many roundworms are parasitic and infect humans and other animals. These invertebrates have a snakelike shape and move with a whip-like motion. They have a sense of touch, obtain nutrients via diffusion, may detect light, and can breathe across the entire body. Roundworms can be hermaphroditic or reproduce sexually.

What are the main characteristics of nematodes?

Nematodes are bilaterally symmetrical, elongate, and usually tapered at both ends. Some species possess a pseudocoel, a fluid-filled body cavity between the digestive tract and the body wall. Like arthropods and members of six other phyla, nematodes secrete an external cuticle that is periodically molted.

What is best described as roundworm?

Roundworms are parasites that need to live in the body. These parasitic infections can cause diarrhea and fever. Types of roundworms in humans include pinworms and ascariasis. Often, roundworm infections come from traveling to countries with poor sanitation and hygiene.

What are the characteristics of worms classified in phylum Nematoda?

They are widely distributed, aquatic or terrestrial, parasitic or free-living. Their body is elongated, cylindrical, unsegmented, worm-like, bilaterally symmetrical and tapering at both ends.

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