Natural Selection

Front

What word describes a trait that helps an organism survive in its environment?

Back

adaptation

Front

How do you "win" at natural selection?

Back

survive & reproduce

Front

Which organisms are most likely to survive?

Back

the best adapted

Front

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment? Options: Dark moth, Light moth, Both will be equally successful, Neither will be successful

Back

Dark moth

Front

The differences between the wings of moths of the same species is an example of ________________.

Back

Variation

Front

When an environment changes faster than a species can adapt, the most likely outcome is...

Back

species extinction

Front

How does evolution work?

Back

small changes pass down through many generations

Front

Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics. What does this observation support?

Back

descended from a common ancestor.

Front

Mutations are important because they bring about:

Back

genetic variation needed for a population to evolve

Front

What is another name for natural selection?

Back

survival of the fittest