LS Ch 17 Evolution

Darwin's theory of evolution was published in his book titled

• Oh the Places we will go

• Silent Spring

• On the Origin of a Species

• Darwinism

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The process by which all the different kinds of living things have changed over time is

• parasitism

• evolution.

• mutation

• extinction.

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When a species is unable to adapt within a changing environment, what usually occurs?

• adaptation

• variation

• extinction

• starvation

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Any variation that can help an organism survive in its environment is called a(n):

• competition

• adaptation

• vestigial structure

• characteristic

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Darwin's thinking about evolution was influenced by things that he observed on his voyage around the world in the HMS Beagle, including which of the following

• fossil beds in South America

• birds known as finches on the Galapagos

• giant land tortoises on the Galapagos

• all of the above are correct

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The image above illustrates what evolutionary concept?

• embryological similarities

• homologous structures

• vestigial structures

• variation among species

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

• bigger muscles

• more offspring

• are the prettiest

• variations best suited for that environment

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A structure that seems to serve no purpose in an organism is called_____________.

• homologous

• vestigial

• dichotomous

• fossilized

An inherited characteristic that increases an organism's ability to survive and reproduce in its specific environment is called_________________.

• a vestigial organ

• adaptation

• speciation

• radiation

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Who observed variations of characteristics of animals and plants of the islands of the Galapagos?

• Thomas Malthus

• Charles Lyell

• Charles Darwin

• James Hutton

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