A(n) _____ is a requirement of some substance, such as food or water, that is essential for survival of the organism.

• A. drive
• B. need
• C. instinct
• D. primary drive

Answer: (B)

Verified step by step guidance

1. Understand the concept of 'need' in psychology: A 'need' is a fundamental requirement that is essential for the survival of an organism. It refers to the basic necessities such as food, water, and shelter.
2. Differentiate between 'need' and 'drive': A 'drive' is a psychological state that arises from a need and motivates an organism to satisfy that need. For example, hunger is a drive that results from the need for food.
3. Consider the term 'instinct': An 'instinct' is an innate, typically fixed pattern of behavior in animals in response to certain stimuli. It is not necessarily related to a specific need for survival.
4. Examine the term 'primary drive': A 'primary drive' is a biological need that is essential for survival, such as hunger or thirst. It is closely related to the concept of 'need'.
5. Identify the correct term: Based on the definitions, the term that best fits the description of a requirement of some substance essential for survival is 'need'.