The Making of a Theory: Darwin, Wallace, and Natural Selection

What was the greatest scientific mystery of Alfred Russel Wallace's time?

• How do species change?

• Where do species come from?

• Why do species go extinct?

• What is the purpose of species?

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What was Charles Darwin's initial belief about species?

• Species are constantly changing

• Species are randomly distributed

• Species are created by God

• Species are connected in a family tree

What evidence did Darwin find in the Galapagos Islands that led him to his theory?

• The distribution of birdwing butterflies

• The similarity between manatees and whales

• The presence of giant armadillo fossils

• Different species of mockingbirds on different islands

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What did Alfred Russel Wallace observe about the distribution of species in the Malay Archipelago?

• Species are randomly distributed

• Species are connected in a family tree

• Species are influenced by geological processes

• Species are created by God

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What did Wallace realize about the variation within species?

• Variation is random and has no impact

• Variation is influenced by competition

• Variation is a result of genetic mutations

• Variation is caused by natural disasters

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What did Wallace and Darwin both conclude about the origin of species?

• Species are created by God

• Species are connected in a family tree

• Species are constantly changing

• Species are randomly distributed

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What did Wallace and Darwin's theories go against?

• Church teachings

• Geological processes

• Natural disasters

• Genetic mutations

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What did Wallace and Darwin believe about the process of natural selection?

• It is a random process

• It is driven by competition and survival

• It is influenced by genetic mutations

• It is controlled by God

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What did Wallace and Darwin think about the role of death in the evolution of species?

• Death has no impact on species

• Death is caused by genetic mutations

• Death is a result of natural disasters

• Death is necessary for the survival of species

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What did Wallace and Darwin conclude about the relationship between species?

• Species are randomly distributed

• Species are connected in a family tree

• Species are constantly changing

• Species are unrelated to each other

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