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.
Answer
I’m pretty sure it’s all of the above
Explanation
A and C
They both can be compared to present or past objects to show how they have changed or evolved over time
Answer:
The last one does not happen meiosis create four genetically different haploid cells
The primary source of energy that drives convection within the atmosphere and oceans is the sun.