What Would Help Balance the Explosive Population Expansion in Less

question 73

Multiple Choice

What would help balance the explosive population expansion in less developed countries and the worker shortage in industrialized regions?

• A) stable worker-to-retiree ratio
• B) free flow of immigration
• C) better senior retirement programs
• D) prenatal sex scanning
• E) provisions for higher pension

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Definitions:

Flagellum

A long, whip-like appendage that protrudes from the cell body of certain cells and is used for locomotion or sensory functions.

Cilium

One of many short, hairlike structures that project from the surface of some eukaryotic cells and are used for locomotion or movement of materials across the cell surface.

Cytoskeleton

The dynamic internal network of protein fibers that includes microfilaments, intermediate filaments, and microtubules.

Microtubules

Cylindrical structures found in cells, made of tubulin, that play roles in cell shape, organization, and movement.