$A$: All higher animals from $Annelida$ onwards possess an organized circulatory system.
$R$: Coelomate organization is observed from $Annelida$ onwards.

  • A
    $A$ and $R$ are both true.
  • B
    $A$ and $R$ are both false.
  • C
    $A$ is true and $R$ is false.
  • D
    $A$ is false and $R$ is true.

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