Unit 7.1 Vocabulary Quiz

Ability of an organism to survive and reproduce in its environment

• Fitness
• Strength
• Evolution

Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.

• Adaptation
• Evolution
• Genetic drift

When two or more species sharing a common ancestor become more different over time

• Evolutionary mechanisms
• Convergent evolution
• Allele frequency
• Divergent evolution (adaptive radiation)

Movement of alleles from population to another

• Gene flow
• Genetic drift
• Allele frequency
• Diversity (biodiversity)

Evolution toward similar characteristics in unrelated species when adapting to similar environments

• Convergent evolution
• Divergent evolution (adaptive radiation)
• Evolutionary mechanisms
• Natural selection

Individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.

• Convergent evolution
• Allele frequency
• Natural selection
• Genetic drift

How often a form of a gene appears in a gene pool.

• Convergent evolution
• Allele frequency
• Genetic drift
• Natural selection

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

• Convergent evolution
• Genetic drift
• Gene flow
• Evolutionary mechanisms

The evolution of new species from an existing species.

• Speciation
• Genetic drift
• Convergent evolution
• Allele frequency

A trait that helps an organism survive and reproduce in a particular environment.

• Fitness
• Evolution
• Adaptation
• Genetic drift