Evolution Vocabulary Quiz

Match the following terms to their definitions:

• Mutations

• The selective breeding of plants and animals to promote the occurrence of desirable traits in offspring

• Genetic Drift

• Describes the differences in DNA among individuals within a species

• Speciation

• Random errors in gene replication that lead to a change in the sequence of nucleotides. These are the source of all genetic diversity and new alleles.

• Genetic Variation

• The formation of new and distinct species through the course of evolution.

• Artificial Selection

• A change in the allele frequency of a population as a result of chance events rather than natural selection.

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Match the following terms to their definitions

• Alfred Russell Wallace

• An inherited characteristic that improves an individual's ability to survive and reproduce in a particular environment.

• Charles Darwin

• The scientist most closely associated with the theory of evolution by natural selection

• Natural Selection

• The preserved remains or traces of organisms that lived in the past

• Adaptation

• The process by which organisms better adapted to their environment tend to survive and produce more offspring

• Fossils

• Another scientist who independently proposed natural selection as a mechanism for evolution

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What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

• Genetic Drift

• Natural Selection

• Mutation

• Gene Flow

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Which scientist is most closely associated with the theory of evolution by natural selection?

• Gregor Mendel

• Alfred Russell Wallace

• Charles Darwin

• Albert Einstein

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What term describes the changes in the size and shape of the beaks of Darwin's finches, which were influenced by the type of food available on their island?

• Genetic Variation

• Adaptation

• Speciation

• Mutation

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The preserved remains or traces of organisms that lived in the past are known as what?

• Biomolecules

• Fossil Record

• Genetic Markers

• Evolutionary Trees

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What is the term for the differences in DNA among individuals within a species?

• Genetic Variation

• Genetic Drift

• Gene Flow

• Mutation

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Which of the following best describes the role of mutations in evolution?

• They decrease genetic variation.

• They have no effect on genetic variation.

• They are the only source of new alleles.

• They always result in beneficial traits.

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What is the term for the process by which one species splits into two or more species?

• Adaptation

• Speciation

• Natural Selection

• Genetic Drift

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Which of the following is NOT a mechanism of evolutionary change?

• Natural Selection

• Genetic Drift

• Gene Flow

• Artificial Selection

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