Ch 5 Vocab Flashcard

Front

A heritable trait that increases the likelihood of an individual's survival and reproduction.

Back

Adaptation

Front

A change over time.

Back

Evolution

Front

A sequence of DNA that codes for a particular trait.

Back

Gene

Front

Change in DNA.

Back

Mutation

Front

Biological evolution (a change in frequency of an existing gene variant in the population) that occurs by chance.

Back

Genetic Drift

Front

The process by which traits that improve an organism's chances for survival and reproduction are passed on more frequently to offspring than those that do not.

Back

Natural Selection

Front

The degree to which an organism can reproduce successfully in its environment.

Back

Fitness

Front

Human-controlled process of selective breeding/pairing to produce individuals with certain traits.

Back

Artificial Selection

Front

The process by which new species are generated.

Back

Speciation

Front

The disappearance of a species from Earth.

Back

Extinction