How is an earthworm different from flatworms?
| November 21, 2020 | education
1) Roundworms have a primary body cavity, while flatworms do not.
2) In roundworms, a through intestine with an anus, in flat worms it is closed, the opening is only oral.
3) Roundworms are dioecious, and flatworms are hermaphrodites.
4) In roundworms in the skin-muscle sac, there are only longitudinal muscles, and they cannot shorten the body, while flatworms also have transverse and circular muscles.
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