Darwin's Finches

What did the Grants initially plan for their research duration on Daphne Major?

• Ten years

• Forty years

• Five years

• Two years

What was the main factor that allowed the Grants to study almost every individual finch on Daphne Major?

• The cooperation of local authorities

• The advanced technology

• The abundance of finches

• The island's small size

What happened to the finch population during the drought of 1977?

• They migrated to another island

• Over 80% of the medium ground finches died

• They adapted by growing larger beaks immediately

• They started eating insects

How do finches on the Galapagos Islands avoid mating with different species?

• By eating different foods

• By migrating at different times

• By singing different songs and having different appearances

• By living on different islands

What general insight does the history of the Galapagos finches provide?

• The importance of migration in evolution

• The necessity of large populations for evolution

• The role of human intervention in species formation

• The impact of diverse environments on the creation of new species