Chapter 15 Evolution Vocabulary

In Science a broad statement meaning well supported by evidence is ___________________.

• evolution
• fitness
• theory

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NGSS.HS-LS4-1

NGSS.HS-LS4-2

________________________ means the "survival of the fittest." - organisms with the traits best matched to the environment will survive to reproduce and pass on their genes.

• natural selection
• artificial selection
• geographical isolation

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Ability to breed successfully and produce healthy offspring; a "fit" organism  reproduces and leaves behind offspring.

• populations
• gradualism
• fitness

A characteristic (trait), structural or behavioral, that gives an organism a selective (competitive) advantage in its environment.

• speciation
• adaptation
• fitness

Organisms are related to one another after descending from a common ancestor; changes occur over very long time periods.

• descent with modification
• geographical isolation
• punctuated equilibrium

When humans breed plants or animals for desirable traits. 

• artificial selection
• speciation
• natural selection

Same function, different structure

• Vestigial Structures
• Analogous Structures
• Homologous Structures
• Adaptation

Same structure, different function

• Homologous Structures
• Vestigial Structures
• Analogous Structures

The disappearance of a species.

• Evolution
• Extinction
• Migration
• Mutation

Tags

NGSS.HS-LS4-5

Structures that no longer serve a purpose.

• Homologous structures
• gene pool
• population
• Vestigial structures