Test #12_Evolution_Bio1

During his voyage on the Beagle, Charles Darwin made many observations

• in England
• in North America
• on the Galapagos Islands
• in Asia

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On the Galapagos Islands, Charles Darwin observed

• completely unrelated species on each of the islands
• species exactly like those found in South America
• somewhat similar species, with traits that suited their particular environments
• species completely unrelated to those found in South America

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The species of finches that Charles Darwin found on the Galapagos Islands displayed different structural adaptations. One of the adaptations that Darwin noted was the

• similarities of the birds embryos
• birds' different shaped beaks
• length of the birds' necks
• number of eggs in each bird's nest

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Based on the adaptations Charles Darwin observed in the finches and tortoises in the Galapagos Islands, he wondered

• if species living on different islands had once been members of the same species
• if finches and tortoises had originated from the same ancestral species
• if all birds on the different islands were finches
• why all tortoises on the different islands were identical

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In 1859, Charles Darwin published his revolutionary scientific ideas in a work titled

• Principals of Geology
• Essay on the Principle of Population
• Evolution in Malaysia
• On the Origin of the Species

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When a farmer breeds only his or her best livestock, the process involved is

• natural selection
• artificial selection
• artificial variation
• survival of the fittest

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According to Darwin's theory of natural selection, the individuals that tend to survive are those that have

• characteristics their parents acquired by use and disuse
• characteristics that plant and animal breeders value
• the greatest number of offspring
• variations best suited for their environment

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Charles Darwin's observation that finches of different species on the Galapagos Islands have many similar physical characteristics supports the hypothesis that these finches

• have the ability to interbreed
• acquired traits through use and disuse
• all eat the same type of food
• originated from a common ancestor

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Darwin's theory of evolution suggests that

• species change over time
• extinct species are not related to living species
• different species can interbreed
• animals that look alike are the most closely related

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Structures that have similar embryological origins and structure but are adapted for different purposes, such as a bat wing and a human are, are called

• embryological structures
• analogous structures
• homologous structures
• homozygous structures

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