Examlex

Solved

Evolutionary Adaptations Are Not Always the ʺBestʺ Solution to a Problem

question 103

Essay

Evolutionary adaptations are not always the ʺbestʺ solution to a problem. Explain how the long necks of giraffes can be both advantageous and disadvantageous.


Definitions:

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.

Related Questions