The answer would be thermal insulator, hope it works goodluck
What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
These 2 identical rods of DNA are called sister chromatids, and they are held together at the centromere.
A. Four equal size daughter cells will form.
