You are presented with the quiz "Adult frogs have what and breathe with gills as larvae?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most amphibians breathe with gills as larvae and with lungs as adults" and "an adult frog has lungs and teeth". So, what's the best answer to the question?
pick from the following. (a). embryos. (b). a fish. (c). ovaries. (d). grow. (e). teeth. (f). survive. (g). NaCl. (h). oxygen.
Answer:
(e).