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Biological Needs

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Biological needs refer to the innate physiological requirements that organisms must fulfill in order to survive and maintain homeostasis. These needs include necessities such as food, water, sleep, and oxygen.

Theoretical Perspectives

Biological Needs

Study And Research Findings

Research by Abraham Maslow highlighted a hierarchy of needs with physiological needs at the base. Studies on homeostasis reveal how bodies maintain equilibrium by fulfilling biological needs.

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