Which of the following is a correct application of one of Darwin's postulates to the Galapagos finch data from Case Study #2?

A. All the birds, no matter their beak size, were equally likely to survive during the drought.

B. Variation in beak size was present in the population of finches prior to the start of the study.

C. Beak size is not a heritable trait.

D. All the birds, no matter their beak size, were likely to have the same number of offspring during the drought.

Question

Adan Watts

Biology

1 August, 11:00

Which of the following is a correct application of one of Darwin's postulates to the Galapagos finch data from Case Study #2?

A. All the birds, no matter their beak size, were equally likely to survive during the drought.

B. Variation in beak size was present in the population of finches prior to the start of the study.

C. Beak size is not a heritable trait.

D. All the birds, no matter their beak size, were likely to have the same number of offspring during the drought.

+4

Answers (1)

Know the Answer?

Kayden Wilkins · Answer 1

B. Variation in beak size was present in the population of finches prior to the start of the study

Explanation:

Hello! Charles Darwin arrived in the Galapagos Islands in 1835 and noticed that the finches had a different peak. This difference he observed in birds was what made him think that the species were not stable, but that they changed their physical characteristics to adapt to the pressures of the environment