Centimeter-Thin Layers of Earth That Are Rich in Iridium Give

question 50

Multiple Choice

Centimeter-thin layers of earth that are rich in iridium give evidence to support the:

• A)Allopatric theory
• B)Ecological isolation theory
• C)Gradualism theory
• D)Impact theory
• E)Spontaneous generation theory

---

Definitions:

Wilhelm Wundt

A German physician, physiologist, philosopher, and professor, known as one of the founders of modern psychology.

William James

An American philosopher and psychologist, often referred to as the father of American psychology, known for his work in pragmatism and functional psychology.

Sigmund Freud

An Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Twentieth Century

The period from January 1, 1901, to December 31, 2000, marked by significant global changes in culture, technology, and politics.