Answers

2015-12-16T20:40:28+05:30
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.
hope this helps u..

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2015-12-20T12:42:58+05:30
Bilaterally symmetrical, some developed terrestrial habitant, has true body cavity,
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