Platyhelminths are

Coelomates

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Acoelomates

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Pseudocoelomates

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True coelomates

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Solution

The correct option is B Acoelomates
Platyhelminths are acoelomates, which means that they do not have a body cavity. The space between organs is filled with parenchymatous connective tissue called mesenchyme, leaving no space for a true coelom. The dorsoventrally flattened shape of flatworms is also an indication of their acoelomate nature.

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Similar questions

\begin{matrix} P h y l u m & G e r m l a y e r & B o d y c a v i t y (1) __________ & Triploblastic & No coelom Nematoda & Triploblastic & (2) __________Annelida & (3) ________ & True coelom \end{matrix}

Assertion [A] : Platyhelminthes are acoelomates.

Reason [R] : In platyhelminthes the coelom is filled with a packing tissue called mesenchyme.

Assertion [A]: Platyhelminths are acoelomates.

Reason [R]: Platyhelminths develop three primary germ layers during early embryogenesis.

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