In Most Species, the Female Frog Lays Her Eggs Directly

Multiple Choice

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?

A) cartilaginous skeleton
B) larval respiration with gills, but adult respiration with lungs
C) jawless
D) incomplete digestive tract
E) endothermic