Examlex
Outline various adaptive strategies for survival in cold environments used by both invertebrates and vertebrates.
Megacity
A metropolitan area with a total population in excess of ten million people.
Demographers
Experts who study the statistical characteristics of human populations, such as births, deaths, ages, and migrations, to understand trends and predict future shifts.
Net Migration Rates
A statistic that calculates the difference between the number of individuals entering a country (immigrants) and leaving a country (emigrants) per 1,000 inhabitants in a given year.
Migration
The movement of people from one place to another with the intention of settling temporarily or permanently in the new location.
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