What are the similarities between arthropods and annelids?

In annelids and arthropods, the following common features can be distinguished:

1. Bilateral symmetry.

2. Segmented body structure.

3. Secondary body cavity.

4. Breathing is carried out by gills, some arthropods also have lungs and trachea.

5. The staircase nervous system of worms is similar to the nervous system of arthropods.

6. Development is direct or with a larva.

7. Of all the senses, the best developed organ of vision is the eyes.



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