Question

the ancestor of tiktaalik had limbs that resembled ______.
fins
wings
hooves
arms and leg
beaks

Explanation:

Tiktaalik is a transitional fossil between fish and tetrapods. Its ancestors were aquatic fish, which had fins as their appendages. Tiktaalik itself shows intermediate features between fins and limbs, so its ancestor's limbs (appendages) resembled fins.

Answer:

A. fins