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. Frogs have which of the following traits

Frogs have the trait of being the tetrapod.

Explanation:

when the female frogs lays her eggs directly in the water and fertilized eggs are hatched into aquatic tadpoles, on maturity they acquire legs and lungs. tadpoles have tails which is lost during the metamorphosis and the frogs also acquire the carnivorous tastes.

As evident that the male clasps the female from her back and releases the sperm through which the fertilized eggs are laid into water by the female frogs, mature frogs develops the trait of tetrapod. A Tetrapod animal is the one having four pods or four legs. A complete metamorphosis occurs in the life cycle of the frog.