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Description: - Natality = births within the population - Mortality = deaths within the population - Immigration = arrival of individuals from outside the population - Emigration = departure of individuals from the population - Population growth rate formula = (Crude birth rate – Crude death rate) + (Immigration rate - emigration rate) = population growth rate - Steady growth rates cause exponential population growth - Something increases by a fixed percent - Graphed as a J-shaped curve - Exponential growth cannot be sustained indefinitely - It occurs in nature with a small population and ideal conditions Picture Stats: Views: 306 Filesize: 38kB Height: 481 Width: 599 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35656 |