Answer:
selective pressures will decrease the number of birds with large beaks.
Explanation:
I think the answer is conjugation. It is in this process that prokaryotes exchange genetic information. COnjugation is the direct transfer of DNA from one cell to another. The DNA transferred is a plasmid which is present in prokaryotes.
75%will not get it
25% will
25%have tt
50% have Tt
25% have TT