Mechanisms of Evolution

The voyage on the Beagle in 1831 was the impetus for the development of his theory of evolution

• Jean-Baptiste Lamarck

• Charles Lyell

• Alfred Wallace

• Charles Darwin

Of the following anatomical structures, which is homologous to the wing of a bird?

• Dorsal fin of a shark

• Hind limb of a Kangaroo

• Flipper of a cetacean

• Tail fin of a flying fish

In relation to natural selection, evolution is the

• process

• outcome

• mechanism

• purpose

Mating with relatives is called

• inbreeding

• outcrossing

• random mating

• clines

Which of the following factors is most likely to contribute to gene flow between populations?

• random mating

• migration

• mutation

• genetic drift