Multiple choice

A pygostyle bone is the:

  1. part of pelvic girdle of rabbit

  2. last caudal vertebra in bird

  3. part of skull of frog

  4. last caudal vertebra of frog

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

The pygostyle is the fused terminal caudal vertebrae in birds, forming a supportive structure for tail feathers and tail muscles. It is not found in frogs or rabbits - their tails contain unfused vertebrae or different skeletal structures.