As the season changes from fall to winter, you can observe many warm-blooded
animals increasing in body size. This increase in body fat is preparing animals for
migration, where large animals tend to survive better.
reproduction, where large bodies attract more mates.
raising infants, where a large amount of energy is needed.
hibernation, where the body fat provides a food source.

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.