Examlex
Evolutionary adaptations are not always the ʺbestʺ solution to a problem. Explain how the long necks of giraffes can be both advantageous and disadvantageous.
Crude Birth Rate
A demographic measure representing the number of live births in a given year per 1,000 people in the population.
Annual Number
A quantity or statistic that is reported or measured once every year.
Live Births
The number of babies born alive in a given time period and region.
Demographic Transition Theory
A concept explaining how a nation moves from having high birth and death figures to low ones as it progresses from a pre-industrial to an industrial economic system.
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