Respuesta :
Embryos represent one of the developmental stages of an organism. Pharyngeal slits are the characteristic feature of all the chordates. Thus, option C is correct.
What are pharyngeal slits?
Pharyngeal slits are the organs that act as reparatory organs and filter feeders, they are seen along the caudal region of the pharynx. It allows the water to move in and out. These are the feature of the chordates and have evolved in different species over time.
Therefore, pharyngeal slits are seen in the embryos of all the chordates.
Learn more about pharyngeal slits here:
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