gisellefhoney4434 gisellefhoney4434
  • 15-03-2019
  • Biology
contestada

_____ are the simplest bilaterian animals and lack a body cavity.

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caseyb91
caseyb91 caseyb91
  • 15-03-2019

Sponges are the simplest bilateral animal and do lack a body cavity. A sponge has two layers of tissue.

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