Chapter 5 Vocabulary Environmental Science

changes in a gene pool over time

• Evolution

• Gene

• Mutation

• Genetic drift

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accidental change in DNA that occurs whil DNA is being copied

• Evolution

• Gene

• Mutation

• Genetic drift

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change in a gene pool because of chance

• Evolution

• Gene

• Mutation

• Genetic drift

mechanism of evolution where the organisms best suited to their environment get to survive and reproduce

• Natural Selection

• Artificial Selection

• Speciation

• Extinction

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humans breed organisms together to achieve particular genetic traits

• Natural Selection

• Artificial Selection

• Speciation

• Extinction

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development of a new species

• Natural Selection

• Artificial Selection

• Speciation

• Extinction

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how well an organism can handle changes to its environment

• Predation

• Tolerance

• Coevolution

• Symbiosis

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when 2 organims live in close contact with each other, at least one is benefited

• Predation

• Tolerance

• Coevolution

• Symbiosis

when 2 species benefit from a symbiotic relationship

• Herbivory

• Mutualism

• Commensalism

• Parasitism

when 1 species benefits and the other is harmed in a symbiotic relationship

• Herbivory

• Mutualism

• Commensalism

• Parasitism