Well, we could but we would have to spend many MANY generations in the water
You can't grow gills, unless your a fish.
yep they do have gills but develop lungs as they grow older
A tadpole can breath through their gills but they grow lungs as they turn into a frog.
Most amphibians grow out of their gills before adulthood.
Many frogs and salamanders start their lives with gills, but when they grow they develop lungs.
Yes, dragonflies do have gills and a chin that can reach out like an arm and eat small fish. But grow lungs as they grow older, they are amphibians.BONUS: THEY DO MUTATION
frogs with gills a frogs with gills are called a tadpole
you have to grow gills or eat a computer
Yes, in a sense tadpoles use gills and lungs to obtain oxygen. When they first hatch they use gills, Eventually, they become less dependent on the gills as they grow lungs.
Lung just like any other bird
Yes, especially in the larval stage. Most species lose their gills when they become an adult, but there are some exceptions.
Amphibians are animals that live in both land and water. Usually their lives start at in the water with the attributes of a fish (Gills and tails) but as they grow older they usually lose their gills and tail and grow lungs, and webbed feet.