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What body type do roundworms have?

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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.


Do roundworms have flat bodies?

Roundworms have a round body because they have a partial fluid-filled body cavity (pseudocoelom). This is one way that roundworms differ from flatworms. Another way is their complete digestive system. It allows them to eat, digest food, and eliminate wastes all at the same time.

Do roundworms have cylindrical body?

Roundworms (Nematodes) Adult and larval roundworms are bisexual, cylindrical worms.

What are the features of body shape in roundworms?

As the name implies, roundworms are cylindrical in shape. Like flatworms, roundworms have excretory, nervous, and reproductive systems. Another similarity to flatworms is that they lack an enclosed circulatory and respiratory system.

Are roundworms invertebrates or vertebrates?

Invertebrate animals commonly called "worms" include annelids (earthworms and marine polychaete or bristle worms), nematodes (roundworms), platyhelminthes (flatworms), marine nemertean worms ("bootlace worms"), marine Chaetognatha (arrow worms), priapulid worms, and insect larvae such as grubs and maggots.

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