Natural Selection

Front

Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest.

Back

Natural Selection

Front

Another term for Natural Selection is:

Back

Survival of the fittest

Front

Mutations are a change in what? Options: DNA, tRNA, genotype, phenotype

Back

DNA

Front

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

Back

adaptation

Front

Why is the mouse population changing over time? (You can enlarge the picture by placing your cursor on it.) Options: The light mice can reproduce more successfully than the dark mice, The hawks eat more dark mice than light mice because the dark mice taste better, The hawks eat more light mice than dark mice because they can see the light mice more easily, The hawks eat more dark mice than light mice because they can see the dark mice more easily

Back

The hawks eat more light mice than dark mice because they can see the light mice more easily

Front

Which organisms are most likely to survive? Options: the best adapted (best fit), the fastest, the strongest, the most domesticated (tamed)

Back

the best adapted (best fit)

Front

According to natural selection, light colored tree trunks would favor ___________________________.

Back

light colored moths

Front

Why are advantageous (better fit) traits more likely to be passed onto offspring?

Back

They are more likely to survive and reproduce.

Front

A slight difference in an inherited trait between individual members of the same species. (Example: Some rabbits have white fur and some have black fur.)

Back

variations

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?

Back

Dark moth