Age-Sex Structure Highly Developed Countries That Have Nearly Equal Birth

question 36

Multiple Choice

Age-sex structure Highly developed countries that have nearly equal birth and death rates have an age-sex structure that resembles which shape?

• A)Trapezoid.
• B)Circle.
• C)Diamond.
• D)Rectangle.

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Definitions:

Cryptochrome

A class of flavoproteins that are sensitive to blue light and have roles in the circadian rhythms of plants and animals.

Circadian Rhythm

A natural, internal process that regulates the sleep-wake cycle and repeats on each rotation of the Earth roughly every 24 hours.

Thigmomorphogenesis

The growth and developmental changes in plants that result from mechanical stimulation or touch.

Cytokinins

A class of plant hormones that promote cell division and growth, and delay senescence.