Vocabulary - Mechanisms of Evolution

How often a variation of a trait is observed within a given population.

• Gene Pool

• Allele Frequency

• Phenotype Frequency

• Population Genetics

A measure of evolutionary change over time at the molecular level (DNA or RNA)

• Gene Pool

• Allele Frequency

• Phenotype Frequency

• Molecular Clock

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

All the alleles in every organism's genome within a population in a given area. 

• Gene Pool

• Allele Frequency

• Phenotype Frequency

• Population Genetics

A reproductive ability to pass on their genetic information on to the next generation.

• Fitness

• Adaptation

• Evolution

• Speciation

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Process of a population (not an individual organism) adjusting to fit the changing environment or situation. 

• Fitness

• Adaptation

• Evolution

• Speciation

Tags

NGSS.HS-LS4-4

Cumulative process of a many adaptations adding up over long period of time until the genome biological population changes to the point at which a new species is formed.  

• Fitness

• Adaptation

• Evolution

• Speciation

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Survival of the best adapted individuals within a population.

• Natural Selection

• Genetic Drift

• Gene Flow

• Nonrandom Mating

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

NGSS.HS-LS4-4

The movement of the alleles from one population to another. 

• Natural Selection

• Genetic Drift

• Gene Flow

• Nonrandom Mating

Selecting a mate based on various conditions or situations. 

• Natural Selection

• Genetic Drift

• Gene Flow

• Nonrandom Mating

Tags

NGSS.HS-LS4-4

Random changes to the frequency of alleles in a small population due to chance.

• Natural Selection

• Genetic Drift

• Gene Flow

• Nonrandom Mating