The independent variable is the new plant food
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.
The answer is F. Interest Rate
Because children pick up on what they see and copy it, it is how they learn
genetics because of the traits passed down to them
Conjugation. I hope this helps!