Which of the Following Species Is the Oldest in the Fossil

question 101

Multiple Choice

Which of the following species is the oldest in the fossil record?

• A)Australopithecus africanus
• B)Australopithecus afarensis
• C)Paranthropus aethiopicus
• D)Paranthropus boisei

Understand comorbidity and its implications for treatment.

Familiarize with the use of behavioral conditioning therapies in treating phobias.

Identify various forms of therapy and distinguish between conventional and alternative therapies.

Understand the psychological and physiological mechanisms behind the effectiveness of placebos.

---

Definitions:

Substitution Effect

The change in the quantity demanded of a good that results from a change in price, making the good more or less expensive relative to other goods.

Wage Increase

An upward adjustment in the amount of money that workers are paid per hour, day, or work performed.

Labor Supply

The total hours that workers wish to work at a given wage rate.

Leisure

Time free from work or duties, which can be used for relaxation, recreation, or personal activities that one enjoys.