Which of the following is true for all amphibians?

  • A
    All have tails
  • B
    Excretion by kidneys
  • C
    Alimentary canal,urinary and reproductive tracts open into different chambers to the exterior
  • D
    Heart is three-chambered with two ventricles

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Ichthyophis belongs to the class:

Amphibians possess a heart consisting of ...........

Which of the following organisms exhibits external fertilization?

To which class does Ichthyophis belong?

Tympanum represents ear in $-$

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