Unit 7 Vocabulary

Change in the frequency of inherited characteristics in a population over time.

• Natural selection

• Genetic drift

• Evolution

• Artificial selection

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Process where individuals that are best suited for the environment survive and reproduce more, passing on more of their genes to the next generation.

• Natural selection

• Artificial selection

• Genetic drift

• Gene flow

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How species change over generations

• variation

• adaptations

• overproduction of offspring

• descent with modification

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Inherited characteristics that increase an organism's chance of survival.

• Neutral traits

• Adaptations

• Acquired traits

• Homologous structures

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All of the DNA/traits from the members of a population.

• Gene pool

• Evolution

• Genetic drift

• Gene flow

Characteristics that develop over a lifetime and do not change DNA.

• Inherited traits

• Adaptations

• Acquired traits

• Neutral traits

Same structure, different function

• Homologous structures

• Analogous structures

• Vestigial structures

• Embryology

Structure that no longer has a function

• Homologous structures

• Analogous structures

• Vestigial structures

• Acquired traits

Study of developing organisms

• Biochemical evidence

• Anatomical evidence

• Embryology

• Fossils

Diagrams that show evolutionary history

• Phylogenetic tree

• Punnett Square

• Pedigree

• Karyotype

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