the graphs above show the population size and distribution of beak sizes in a finch population on the island of daphne major in the galapagos in 1976 and 1978. smaller-beaked finches are better suited for eating grasses and small seeds. larger-beaked finches are better suited for cracking larger seeds and nuts. in 1977 a drought took place and the vegetation of the island was affected by the lack of rain. which of the following statements best explains the changes in the size and composition of the population of finches after the drought
