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. 21 июл. 2017 г.
How are earthworms and roundworms different?
An earthworm has a full digestive system and its diet consists of dirt and plant matter. A roundworm has a definite digestive system and its diet consists of other animals and plants.
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.
What makes roundworms different from other animals?
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.
How are flatworms and roundworms different from the another?
The roundworms belong to the phylum Nemathelminthes or Aschelminthes. ... What is the difference between flatworms and roundworms?FlatwormsRoundwormsThey do not have a body cavity and thus are acoelomates.They are pseudocoelomates i.e. they have a body cavity between their mesoderm and endoderm layers.
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