Age distribution is the number of individuals of each age in the population. （ ）
举一反三
- Age distribution is the number of individuals of each age in the population which influences greatly the rate of population growth。 （ ）
- Some important characteristics of population include ___________. A: genetics B: natality and mortality C: sex ratio and age distribution D: density and spatial distribution.
- Infant age records should be detailed to_? A: Months of age B: Years of age C: Number of days D: Nominal age
- ______ 50 percent of the population of India is under the age of 25.
- The 55-to-64 age group accounts for 9% of the population today.