In most species, the female frog lays her eggs directly in the water as a male clasps her back and releases sperm. The fertilized eggs hatch into legless, aquatic tadpoles. Most tadpoles feed on algae, and have gills. As they mature, tadpoles develop legs and lungs, lose the tail, and acquire carnivorous tastes.
-The primary function of external gills in aquatic animals is to

Question

Quizplus · Accepted Answer

External gills in aquatic animals function primarily to exchange gases with the surrounding water, allowing the animal to extract oxygen and release carbon dioxide. This is crucial for their survival in the aquatic environment.

In Most Species, the Female Frog Lays Her Eggs Directly