Question

In which organism will pharyngeal arches be visible in the embryonic stage? (Barnacle, fish, caterpillar, or snail?)

Answer 1

Each arch though initially formed from similar components will differentiate to form different head and neck.

Answer 2

Correct answer is "Fish"

• The pharyngeal arches are the out pouching of the mesoderm in series , on both sides of developing pharynx.
• They are visible in vertebrates for example human beings and fish during embryonic stages.