One of the following has not been produced from wild cabbage by the process of artificial selection. This one is:

The presence of which of the following types of organs in two animals indicates that they are not derived from a common ancestor?

The presence of which of the following types of organs in two organisms indicates that they are derived from the same ancestor?

The fossil trilobite was originally:

One pair of organs in the following animals is not homologous. This is:

A. Forelimbs in humans and lizard

B. Forelimbs in lizard and frog

C. Wings in butterfly and bat

D. Wings in bat and bird