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Her Menstrual Cycle is what puberty is for a girl ... also known as her period
1. Birth rate, death rate, immigration and emmigration.
2.Logistic growth takes into account carrying capacity.
3. The measure of organisms that make up a population in a defined area.
4. The number or quantity of people or things that can be conveyed or held by a vehicle or container.
5. Food, availability, water supply etc.
