Question

characterstics of annalida

Answer 1

Annelida
   Annelid animals are also bilaterally symmetrical and triploblastic, but in addition they have a true body cavity. This allows true organs to be packaged in the body structure. These animals are found in a variety of habitats.
Some examples are : leeches, earthworm.
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Answer 2

bilaterally symmetrical, some developed terrestrial habitant, has true body cavity,