Single circulation of blood is exhibited by which of the following
  1. Labeo, Chameleon, Salamander
  2. Hippocampus, Exocoetus, Anabas
  3. Hyla, Rana, Draco
  4. Whale, Dolphin, Turtle

The correct answer is  (2) Hippocampus, Exocoetus, Anabas. They exhibited single circulation.

  • 8
Whale,Dolphin,Turtle..
Because they have lesser need for energy compared to double chambered organisms.
  • -7
What are you looking for?