What are the structural features of annelids? What are parapodia?

| April 9, 2021 | education

1. What are the structural features of annelids? 2. What are parapodia? 3.Describe the structure of the circulatory system of annelids? 4 how do annelids breathe? 5. What departments does the digestive system of the earthworm consist of? 6. What are the organs of excretion of rings? 7. What classes do the annelids have in common? 8. In what way are small-bristled worms different from polychaetal worms? 9.How is the reproduction process in an earthworm.

1. The body and all internal organs, with the exception of the digestive system, are segmented.

2. Organs of movement.

3. Blood moves only through the vessels, without getting into the body cavity, a closed system.

4. All over the body, some types have gills.

5. Mouth, pharynx, esophagus, goiter, stomach, through intestines.

6. Metanephridia.

7. Multi-bristled, Small-bristled, Leeches.

8. Maloschetalovye have no lateral outgrowths of the body, few setae, head not isolated, no tentacles and eyes.

9. Sexually and asexually.



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