Answer:
c
Explanation:
always were either one color or the other
<span>Frog's tongues are attached to the front of their mouths rather than at the back like humans. When a frog catches an insect it throws its sticky tongue out of it's mouth and wraps it around its prey. The frog's tongue then snaps back and throws the food down its throat.</span>
Insertion and or frame shift because part of a codon is added and the whole sequence is know off one
