TCI Adaptations Les 3 Darwin's Theory of Evolution thru Natl Sel

Although he was initially sent to medical school, what was Charles Darwin's true passion?

• art

• mathematics

• nature

• writing

What was the primary goal of the Beagle's voyage?

• to transport passengers to North America

• to search for new forms of medicine

• to map the coast of South America

• to explore the Southern hemisphere

In 1859, Darwin published his theory of evolution in a book called...

• Natural Selection and Evolution.

• On the Origin of Species by Means of Natural Selection.

• The Nature of Galápagos Finches.

• Evolving through Adaptation in the Environments of Species.

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Darwin and ______ presented the idea of natural selection together in 1858.

• Alfred Russell Wallace

• Charles Lyell

• Jean-Baptiste Lamarck

• Thomas Malthus

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What was Darwin's designated role on the Beagle?

• documenting the journey as the ship's journalist

• studying animals and plants as the ship's naturalist

• providing food for the crew as the ship's cook

• taking care of the passengers as the ship's surgeon

What did Darwin find especially remarkable about species of the Galápagos Islands?

• All of these species were birds.

• These species had very little biodiversity.

• Darwin could not study these species without the assistance of other naturalists.

• Many of these species resembled mainland South American species

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Darwin used the Galápagos finches as evidence that

• traits are not hereditary.

• living things change over time.

• birds are different than other species.

• organisms in a species have no relation to one another.

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According to Darwin, ______ in species could result from many ______ over long periods of time.

• population growth; births

• mating; interactions

• big changes; small changes

• extinction; deaths

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What does genetic variation describe?

• similarities in the inherited traits of different individuals

• similarities between species in an ecosystem

• differences in the inherited traits of different individuals

• differences between various species’ mating preferences

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How does natural selection drive evolution?

• It does not; natural selection and evolution are entirely separate processes

• Before they can reproduce, individuals must adapt certain traits through natural selection.

• Within a generation, natural selection causes populations to eliminate unfavorable traits.

• Over time, natural selection causes living populations to evolve environmental adaptations.

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