What Do Demographers Mean When They Use the Concept of "Halving

question 13

Multiple Choice

What do demographers mean when they use the concept of "halving time" in their discussions of changes over time in the size of a population??

• A) The number of years it would take for a population to double its size if its current birth rates and death rates are maintained.
• B) The number of years it would take for a population to half its size if its current birth rates and death rates are maintained.
• C) The number of months it would take for a population to double its size if its current birth rates and death rates are maintained.
• D) The number of months it would take for a population to half its size if its current birth rates and death rates are maintained.
• E) The number of years it would take for a population to become two times larger if its birth rates and death rates and immigration rates are maintained.

---

Definitions:

Cochlea

A spiral-shaped, fluid-filled inner ear structure responsible for converting sound waves into electrical signals that the brain interprets as sound.

Inner Hair Cells

Sensory cells located within the cochlea of the inner ear, crucial for converting sound vibrations into electrical signals.

Regenerate

To regenerate means to regrow or repair cells, tissues, or organs that have been damaged or lost, a capability seen in various organisms.

Cilia

Microscopic hair-like structures that extend from the surface of many cell types, involved in movement and sensory functions.