Evolution Test Review

__________ is the process through which species change over time.

• Mutation

• Evolution

• Adaptation

• Speciation

TRUE or FALSE: Mutations that occur in the sex cells of organisms will not be passed on to its offspring.

• TRUE

• FALSE

A __________ is a change in a gene or a chromosome.

• factor

• selection

• disorder

• mutation

Scientists compare body structures, development before birth and __________ sequences to determine evolutionary relationships.

• DNA

• nitrogen

• branching

__________ is the theory that evolution occurs slowly but steadily.

• Absolute dating

• Relative dating

• Gradualism

• Punctuated equilibria

__________ is determining which of two fossils is older.

• Absolute dating

• Relative dating

• Gradualism

• Punctuated equilibria

__________ fossils form when remains that become buried in sediments are actually changed to rock.

• Homologous

• Petrified

• Radioactive

TRUE or FALSE: Modern day organisms provide no clues about evolution.

• TRUE

• FALSE

Scientists can use radioactive decay to calculate the actual age of fossils. This is an example of which type of fossil dating?

• absolute dating

• relative dating

• ancestor dating

• double dating

When scientists look at different layers of sediments, like the ones pictured here, they can use the law of super position to determine the age of a fossil.

• TRUE

• FALSE