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What makes roundworms unique?

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Created: 2022-04-05 16:51:11

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Features of Roundworms 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. 1 июн. 2020 г.


What makes roundworms different from other animals?

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.

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 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.

What is the adaptive features of roundworm?

Roundworm Adaptations It allows them to eat, digest food, and eliminate wastes all at the same time. Roundworms have a tough covering of cuticle on the surface of their body. It prevents their body from expanding. This allows the buildup of fluid pressure in their partial body cavity.

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