Evolution Test

When Darwin published his theory of evolution, he included all of the following ideas EXCEPT

• A.

  The idea that species change slowly over time

• B.

  The idea that some organisms become less suited to their environment

• C.

  Mendel's ideas about genetics

• D.

  The idea that some organisms reproduce at a greater rate than others

Which of the following is a vestigial structure?

• A.

  A human tailbone

• B.

  The bill of a finch

• C.

  Flower color

• D.

  Fossil cast

Homologous structures in organisms suggest that the organisms

• A.

  Have a common ancestor

• B.

  Must have lived in different times

• C.

  Have a skeletal structure

• D.

  Are now extinct

Natural selection is also known as "survival of the _________"

Natural selection acts on the _____________ of an organism.