Answer:
gills
Explanation:
They need the gills since they are first born underwater and live part of their life down there. They don't grow tails, legs, or lungs until later on
Ex: tadpoles
I believe the answer you are looking for is
A) true
Answer:
D. In the interior of the folded protein, away from water, or in a transmembrane portion interacting with lipid fatty acid chains.