Multiple choice

Biconvex and nucleated red blood cells, heart with more than two perfect chambers, closed type of circulation and oviparity are all features of

  1. scoliodon

  2. salamander

  3. viper snake

  4. squirrel

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Biconvex and nucleated red blood cells, heart with more than two perfect chambers, closed type of circulation and oviparity are all features of salamander.