World Population Between 1950-1985

question 91

Multiple Choice

World population between 1950-1985

• A) increased by 25%
• B) increased by 50%
• C) increased by 100%
• D) increased 400%
• E) decreased by 20%

---

Definitions:

Suprachiasmatic Nucleus

A tiny region of the brain in the hypothalamus responsible for controlling circadian rhythms.

Master Clock

Refers to the body's internal time-keeping system, located in the brain, that regulates circadian rhythms and sleep-wake cycles.

Pineal Gland

A small endocrine gland in the brain involved in the production of melatonin, a hormone that regulates sleep patterns.

Suprachiasmatic Nucleus

A tiny region in the brain's hypothalamus responsible for controlling circadian rhythms, essentially acting as the body's internal clock.