Exam 2: Evolution: Constructing a Fundamental Scientific Theory

The English demographer whose work on population growth greatly influenced Darwin's thinking was:

Gene flow differs from genetic drift because:

In your textbook,the smaller frequency of sickle-cell anemia among present day American blacks as compared to West African blacks is attributed to:

The evolutionary synthesis:

Different versions,or subunits,of the same gene are:

Linnaeus's taxonomic system is referred to as a "hierarchy" because:

Before 1700,most Western scientists thought the earth was about 4.6 billion years old.

Darwin observed that adaptations:

Mendel's discrete units responsible for the characteristics in his pea plants are now known as chromosomes.

The English scientist who independently codiscovered the theory of natural selection was:

Which of the following is FALSE regarding populations of living organisms?

All of the following are formal taxonomic categories EXCEPT:

How is the concept of catastrophism different from the concept of uniformitarianism?

The geneticist who studied the workings of fruit flies' chromosomes was:

The only possible source of new genetic material is:

What is the significance for evolutionary theory of Darwin's analysis of the Galápagos finches? Provide at least one example in your answer.

Darwin was a crew member on ____________,a ship whose voyage informed his later theory of natural selection.

How do modern-day lemurs of Madagascar demonstrate the concept of adaptive radiation?

Why was Darwin's 1859 published theory of natural selection not widely accepted by his peers? What later scientific advance was critical to the subsequent broad acceptance of natural selection as a major force in evolutionary change?

By the mid-twentieth century,the causes of evolution were seen as all of the following EXCEPT: