What describes how natural selection resulted in the four types of finches of the galápagos?

I believe the answer is A.

Explanation:

That answer makes the most sense with the question.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.