Evolution

Front

The gradual change in species over time is...

Back

Evolution

Front

Mutations are important because they bring about...

Back

genetic variation needed for a population to evolve

Front

Darwin's expedition was called the Voyage of the _________.

Back

Beagle

Front

Darwin's expedition took how many years?

Back

5

Front

The tree of life is a metaphor for what idea?

Back

we came from a common ancestor

Front

What is natural selection?

Back

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

Front

What is adaptation?

Back

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

Front

What is a common ancestor?

Back

An ancestral species from which multiple species have evolved.

Front

What role do fossils play in understanding evolution?

Back

Fossils provide evidence of how species have changed over time.

Front

What is genetic variation?

Back

Differences in DNA among individuals in a population.