Evolution of Galapagos Finches

What is the main focus of researchers studying the Galapagos Islands?

• Studying the diversity of species

• Investigating the geological history of the islands

• Exploring the impact of climate change on the ecosystem

• Analyzing the migration patterns of birds

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How many species of finches are found in the Galapagos Islands?

• 13

• 17

• 300,000

• Millions

What did Charles Darwin first mistake the Galapagos finches for?

• Unrelated kinds of birds

• Insects

• Mammals

• Fish

What is the main factor that determines the survival of medium ground finches during a drought?

• Size of their beaks

• Color of their feathers

• Number of their offspring

• Ability to fly long distances

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What caused the average beak size of medium ground finches to change over time?

• Natural selection

• Genetic mutation

• Environmental pollution

• Human interference

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What role do songs play in keeping different species of finches from mating?

• They help attract mates of the same species

• They deter predators

• They provide food for the birds

• They mark territory boundaries

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What is the main reason why populations of the same species become distinct species?

• Changes in traits involved in mating

• Geographical separation

• Genetic mutations

• Competition for resources

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How did the Galapagos finches evolve into different species?

• Adapting to different environments on different islands

• Interbreeding with other bird species

• Random genetic mutations

• Migration from the mainland

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What is the relationship between the diversity of the environment and the formation of new species?

• More diverse environments provide more opportunities for evolutionary change

• Less diverse environments lead to the extinction of species

• Diversity of the environment has no impact on the formation of new species

• New species can only form in extreme environments

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What is the main lesson learned from studying the Galapagos finches?

• The great diversity of life arises through evolution and adaptation

• The Galapagos Islands are the only place with diverse species

• The finches are not actually related to each other

• Charles Darwin's theory of evolution was incorrect

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