Theory of Evolution

the process in which populations change over time

• basketball
• natural selection
• evolution
• mutation

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I formed the theory of evolution by natural selection after my research of various species of finches on the Galápagos Islands. Who am I?

• Reginald Punnett
• Charles Darwin
• Mr. St. Louis
• Gregor Mendel

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A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

• Natural Selection

• Selective Breeding

• Random mutations

• Variations in a species

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Gradualism means Natural Selection would normally happen over many generations and very

• slowly

• quickly

• in space

• beyond time

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The frequency that single genes (alleles) for a trait appear in a population.

• Genome

• Gene frequency

• Genetic Drift

• Population Frequency

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Changes in the gene pool over time.

• Mitosis

• Genetic Variation

• Gene Pool

• Genetic Drift

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What is the following image show?

• Natural Selection

• Genotypic Ratios

• Chromosomal Mutations

• Sickle Cell

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Which of the following is an example of a homozygous genotype?

• Rr

• rr

• NN

• Nr

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Which of the following is the correct definition for a genotype?

• The physical expression of a gene. (Characteristics)

• A strand of DNA made up of multiple mutations.

• The expression of one of your parents traits.

• The set of genes in our DNA which is responsible for a particular trait.

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Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

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