Answer:
All of the above
Explanation:
The order is Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
If it is a smaller one it is always in the ones above it.
The correct answer is (a.) a mutation of the hemoglobin allowing better oxygen-carrying capacity. The mutation of the hemoglobin that allows a better oxygen-carrying capacity would be the most beneficial to an elephant and its descendants.
Answer:
the last one which I'm guessing is d......cause it kinda messed up