Chapter 16 Evilution

Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)

• mutation
• gene flow
• gene pool
• allele

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Which statement best describes the process of evolution?

• Populations can survive in different locations on earth
• Environmental conditions limit the number of species on Earth
• Populations grow when resources are abundant
• The traits of a species can change over time

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Darwin theorized that individuals having an advantage due to their traits or abilities will be more likely to survive and reproduce.  This theory is known as

• evolution
• speciation
• adaptation
• natural selection

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Darwin's book was called On the Origin of

• individuals
• natural selection
• species
• evolution

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What factor must be in place for natural selection to occur?

• struggle for existence (overproduction)
• genetically identical individuals
• random mating
• no immigration or emigration 

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Which scientist stated that things like war, famine and disease help to keep the worlds population in check.

• Darwin

• Lamarck

• Malthus

This scientist stated that by using or not using a certain body part, organisms could change in their lifetime and that the trait gained would be passed down to their offspring.

• James Hutton
• Charles Lyell
• Jean-Baptiste Lamarck
• Thomas Malthus

Who was the naturalist that traveled the world to study plants and animals?

• Albert Einstein
• Charles Darwin
• Charles Barkley
• Isaac Newton

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What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers 
• Genotypes 
• Their beaks
• Their body sizes

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Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment

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