The given figure shows four animals $A, B, C$ and $D$. Select the correct option regarding the common features shared by any two of them.

  • A
    $A$ and $D$ respire only through the body wall.
  • B
    $B$ and $C$ show radial symmetry.
  • C
    $A$ and $B$ possess cnidoblasts for protection.
  • D
    $C$ and $D$ possess a true coelom.

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Similar Questions

Which of the following statements is true for all four: $Spongilla$,$Leech$,$Dolphin$,and $Penguin$?

Spiral cleavage is found in

Select the incorrect statements from the following:
$A$. Digestive system in Platyhelminthes is incomplete.
$B$. Bilateral symmetry is a characteristic feature of adult Echinoderms.
$C$. Pseudocoelom is possessed by Aschelminthes.
$D$. Notochord is persistent throughout life in the class Chondrichthyes.
$E$. Members of class Reptilia maintain a constant body temperature.

Choose the correct option.

Which of the following is incorrect?

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