Evolution Test Review

Front

What is evolution?

Back

Evolution is the process by which different kinds of living organisms develop and diversify from earlier forms during the history of the earth.

Front

What is a common ancestor?

Back

A common ancestor is a species from which two or more different species have evolved.

Front

What are homologous structures?

Back

Homologous structures are body parts in different species that share a common ancestry, even if they have different functions.

Front

What are vestigial structures?

Back

Vestigial structures are body parts that have lost their original function through evolution.

Front

What is the significance of embryonic similarities in different organisms?

Back

Embryonic similarities suggest that the organisms share a common ancestry.

Front

What is a virus composed of?

Back

A virus consists of RNA or DNA and a protein coat.

Front

What is mutation?

Back

Mutation is a change in the DNA sequence of an organism's genome.

Front

How do pathogenic mutation rates compare to eukaryotic organisms?

Back

Pathogenic mutation rates are higher than those of eukaryotic organisms.

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is speciation?

Back

Speciation is the formation of new and distinct species in the course of evolution.