The age structure diagram is attached below.
- The size of a population is the total number of people in it. The likelihood of a species surviving or going extinct is influenced by population size. The risk of death is typically greatest for populations that are very small.
- Population size in population ecology and population genetics refers to the total number of individuals in a population. The fundamental source of phenomena like population bottlenecks and the founder effect is population size, which is directly related to genetic drift.
- A population pyramid, often called a "age structure diagram" or a "age-sex pyramid," is a visual representation of how people are distributed across age and gender categories in a given community. It often has the shape of a pyramid when the population is expanding.
Thus this is the meaning of population size.
To learn more about population size, refer; https://brainly.com/question/25630111
#SPJ1
