Question

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 was the average beak size of finches on the island of daphne major in 1976? a 8.8 mm b 9.5 mm c 10.2 mm d 13.8 mm

Explanation:

Step1: Analyze the 1976 graph

In the 1976 graph, we need to find the average. The dashed line in the 1976 graph (Distribution of Beak Size in a Population of Finches, 1976) is at 9.5mm.

Answer:

B. 9.5 mm