FORESTRY
ECOLOGY AND ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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age structure
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carrying capacity
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reproductive dispersal
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birth rates
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Detailed explanation-1: -Age-Sex Structure The composition of a population as determined by the number or proportion of males and females in each age category. The age-sex structure of a population is the cumulative result of past trends in fertility, mortality, and migration.
Detailed explanation-2: -The most commonly used metric is the Total Fertility Rate (TFR) – or often simply ‘fertility rate’ – which measures the average number of children per woman. The global average fertility rate is around 2.3 children per woman today.
Detailed explanation-3: -age structure. Definition English: The age structure of a population is the distribution of people among various ages. In graphic form, age structure is portrayed as an age pyramid whose relatively broad base indicates the number of children while the peak reflects the increasing likelihood of death as people age.