Answer:
D. It's an example of evolution because the penguin ancestors changed over time.
Having evidence to back what you are trying to prove
Just as they store food underground for use during the winter, squirrels store fat on their bodies in preparation for the cold. When food is scarce, a good layer of fat offers the energy a squirrel might need to survive. It also helps them stay warm when the temperature drops.
Hope this helps !
I believe they can be changes and revised
True very much ..............
