Evolution Review

Front

What is a mutation?

Back

An error in DNA copying that results in a new trait.

Front

Why are advantageous traits more likely to be passed onto offspring?

Back

Because they are more likely to survive and reproduce.

Front

What is extinction?

Back

When an organism completely dies out.

Front

Why is the fossil record considered evidence for evolution?

Back

It provides sequential snapshots of how species have changed over time.

Front

What does fitness mean in the context of evolution?

Back

The ability of an organism to survive and reproduce in its specific environment.

Front

What is natural selection?

Back

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

Front

Define adaptation in evolutionary terms.

Back

A trait that helps an organism survive and reproduce in its environment.

Front

What is selective breeding?

Back

The process of breeding plants and animals for particular genetic traits.

Front

What is the significance of genetic variation?

Back

It increases the chances of survival for a species in changing environments.

Front

What is a fossil?

Back

The preserved remains or traces of a once-living organism.