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What makes roundworms different from other animals?

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Created: 2022-05-29 06:12:10

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Unlike the flatworms in which food and waste enter and exit from the same opening, nematodes have a complete digestive system. An animal with a complete digestive system has a mouth at one end, a long tube with specialized parts in the middle, and an anus at the other end.


What makes roundworms unique?

Unlike the flatworms, the roundworms have a body cavity with internal organs. A roundworm has a complete digestive system, which includes both a mouth and an anus. This is a significant difference from the incomplete digestive system of flatworms.

How are roundworms different from other worms?

Segmented worms have a complete circulatory system, while round worms do not. A segmented worm's circulatory system includes blood, heart, capillary system and hemoglobin. Roundworms have no hearts or blood vessels. Roundworms use diffusion to breathe and pass nutrients throughout their bodies.

What are three characteristics of roundworms?

SummaryRoundworms make up the phylum Nematoda.Roundworms have a pseudocoelom and hydrostatic skeleton. Their body is covered with tough cuticle.Free-living roundworms are found mainly in freshwater habitats.Parasitic roundworms have a variety of hosts, including humans.11.7: Roundworms - Biology LibreTexts

What are physical characteristics of roundworms?

PHYSICAL CHARACTERISTICS The size of roundworms ranges from microscopic to as long as 3.3 feet (1 meter). Most roundworms have a hard, sharp spear on their head, and some have bristles on the head. The body of roundworms is protected by a flexible but strong, grooved body covering.

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