Exam 32: Evolution and Our Heritage

Genetic drift that occurs in small, new colonies is called ________.

Match each definition to the correct term -The Amish are a small, isolated group of people who came from Europe and settled in the United States. There is a set of unusual genetic conditions among them. This type of genetic drift is called ________.

Discuss the major trends in hominid evolution.

A protein similar to the human Rh blood factor (which is due to a specific set of genes) can be found in many animals. In which of the following is it least likely to be found?

If an average female A. afarensis weighed 24 kg, what would you estimate the weight of an average male to be?

Which of the following is a correctly written scientific name?

Which of the following refers to the ability of early hominids to walk on two feet?

Which of the following is not a primate characteristic?

Match each definition to the correct term -A hominid thought to have displayed facultative bipedalism.

Explain the basic ideas of natural selection proposed by Charles Darwin.

________ dating uses ratios of potassium to argon and can be used to determine absolute age.

Which of these types of animals would you expect to find in the deepest rock layers?

A group of living things whose members can successfully breed with one another is called a(n) ________.

Almost all cacti are native to the Americas, but there is a small, relatively uncommon group of plants closely related to cacti native to tropical western Africa. How can we explain this given the information in this chapter?

Broadly defined, ________ is descent with modification from a common ancestor.

Scientists now believe that comets falling to early Earth played a role in the evolution of life. What role did these comets play?

One result of natural selection is that populations become better suited to their particular environment by a process called ________.

Match each definition to the correct term -The group of hominids living in the colder climates of Europe who had larger brains than modern humans.

What anatomical features help primates to live in trees?

________ is the relative number of reproductively viable offspring left by an individual.