Respuesta :
I think the correct answer among the choices listed above is option A. Flatworms are acoelomates because they do not have a coelom. A coelom is a body cavity in metazoans which is located between the intestinal canal and the body wall.
A. A flatworm doesn't have a coelom
Flatworms and other invertebrates belong to a specific group called acoelomate, wherein they lack a coelom and has an internal cavity which serves as their digestive cavity.
Flatworms and other invertebrates belong to a specific group called acoelomate, wherein they lack a coelom and has an internal cavity which serves as their digestive cavity.