The bowerbird male makes a very decorative nest to attract females to mate. Other bowerbird males make simpler nests that are not decorated, and some females prefer those males. This difference may lead to:

The _________ suggests that speciation occurs in spurts.

DEFINITIONS. Define the following terms. (2 points each) Convergent evolution Homologous structures Adaptive radiation Microevolution Macroevolution Natural selection Bottleneck effect Sexual selection Sexual dimorphism Artificial selection

Certain whale species were hunted to near extinction. With a ban put in place on hunting them, their population sizes have expanded. Which of the following is true?

These are from two different populations of a species of stickleback fish. The one on top lives in the Pacific Ocean, and the one on the bottom lives in nearby lakes that were formed by the sea level falling and the lakes becoming isolated from the ocean. The lake population has fewer spines made of calcium. This is an example of the beginning of:

Eyes have evolved multiple times in different animal evolutionary lineages. Eyes in different evolutionary lineages may look and function similarly, but since they evolved independently, if you study them you will find many differences (genetic, developmental, anatomical differences). This is an example of:

The origin of oxygen in the atmosphere of earth dates to __________ years ago.

Thirty people are assigned to live in a spaceship that is exploring other galaxies. The journey will take several hundred years and will be completed by the descendants of these crew members. The gene pool of the population on this ship when it returns is most likely to reflect

Faraday’s law states that an induced emf is proportional to:

A beam of light traveling in air has an angle of incidence of 32.0º when it enters a medium which has an index of refraction of 1.69. What is the angle of refraction in the medium?