Chapter 17 Evolution (Bio)

All of the following are true about Charles Darwin except

• Darwin used DNA evidence to support the process of Natural selection

• Darwin observed variation within the finches of the Galapagos Islands

• Darwin wrote the book Origin of Species by Natural Selection

• Darwin proposed natural selection as the mechanism for species change over time

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Which of the following is not a vestigial trait in humans?

• wisdom teeth

• ear-wiggling muscles

• muscles that make body hairs stand on end

• fingers

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The fins of fish and whales are examples of structures that resemble each other and have similar function, but are the result of parallel evolution in separate lineages. These structures are called _______

• embryonic structures

• vestigial structures

• homologous structures

• analogous structures.

A decrease in genetic variation caused by a drastic reduction in population size is called a

• adaptive effect.

• bottleneck effect

• polymorphic effect

• Hardy-Weinberg effect

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The gene pool includes

• all of the mutations within a population

• all of the individuals within a population

• all of the alleles of genes within a population

• all of the adaptations within a population

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In science, theories are:evolution test questions

• the best explanation for a set of data or observations

• a known fact

• absolute and unchangeable

• an educated guess

Two related species of salamanders were found living on opposite sides of a mountain. One species lives in along a shady forest stream on the leaf covered-ground and is brown with dark green spots. The other species live along the bright, sandy banks of a larger river is light tan in color.What is most likely cause of the differences between these two species of salamander?

• mating seasons

• different habitats

• competition

• predation

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During the Industrial Revolution in Britain, many new factories were built which released dark clouds of smoke into the air. Dark grey moths survived attacks by birds more often than their light grey neighbors. Over time, light grey moths disappeared from the area.This change in population is an example of:

• genetic engineering

• selective breeding

• natural selection

• cloning

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Larmarke is to "Inheritance of Acquired Characteristics" as Darwin is to _____

• evolution by natural selection

• divergence of related species

• speciation by common descent

• homologous structures

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The image below illustrates what evolutionary concept?

• embryological similarities

• homologous structures

• variation among species

• vestigial structures

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