Evolution Review

Front

What are homologous structures?

Back

Structures in different species that have similar parts but different functions, indicating a common ancestry.

Front

Which species has the fewest amino acid differences compared to humans?

Back

Chimpanzees.

Front

What is genetic drift?

Back

A mechanism of evolution that refers to random changes in the frequency of alleles in a population.

Front

What is speciation?

Back

The process by which new species arise when organisms of the same species can no longer interbreed.

Front

Can individuals evolve?

Back

No, only populations can evolve.

Front

What are vestigial structures?

Back

Body parts that have lost their original function through evolution.

Front

What is adaptive radiation?

Back

The process by which organisms diversify rapidly into a wide variety of forms to adapt to different environments.

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a gene pool?

Back

The total collection of genes in a population at any one time.

Front

What is gene flow?

Back

The transfer of genetic variation from one population to another.