Answer:
Because different countries have different languages and call the species different things
Explanation:
I would say B). Hope this helps!
Answer: (A) Natural selection tend to reduce genetic variation as there was a smaller distribution of beak depths, but it tends to select for the most fit phenotypes, as there was an increase in average beak depth after the drought.
Explanation: The picture below shows proof if needed. On USATP
Answer: D. It increases the bird's chances of finding a mate.
Explanation:
As the question states, it's beautiful for the mate to see.