Evidence for evolution

What are the key ideas of Darwin's Theory of Evolution?

• all modern species evolved from earlier forms of life
• species have changed in order to adapt to their environments through a process called natural selection.
• species adapt and evolve new favorable characteristics DURING their lifetime.

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Measure of how reproductively successful an organism is in its environment.

• Fitness
• Mutation
• Adaptation
• Artificial Selection

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Which type of structure would be similar in different species indicating common ancestry?

• Vestigial structure
• Homologous structure
• Adaptation
• Mutation

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A structure that is present in an organism but no longer serves its original purpose, such as the structure seen below.

• Vestigial structure
• Homologous structure
• Adaptation
• Mutation

The disappearing of the Dinosaurs from Earth is an example of

• Predation
• Evolution
• Natural Selection
• Extinction

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Which of the following is the meaning of evolution?

• A change in DNA that gives rise to genetic variation among individuals in a population.
• A change in the genetic characteristics or gene pool of a population over time.
• Measure of how reproductively successful an organism is in its environment.
• A heritable trait that increases an individual's fitness.

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A change in DNA that gives rise to genetic variation among individuals in a population.

• Migration
• Natural Selection
• Fitness
• Mutation

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Biological evolution that occurs by chance, such as when a natural disaster kills or separates all but a few individuals from a population.

• Mutation
• Migration
• Genetic Drift
• Natural Selection

When humans select characteristics or traits in plants or animals they breed, this is called

• Natural Selection
• Speciation
• Adaptation
• Artificial Selection

What are the lines of evidence that support evolution?

• All of the above
• embryology
• homologous and analogous structures
• vestigial structures
• DNA

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