NEETZoologyOrganisms and Populations
What can the shape of the age pyramid reflect about the population's growth status?
Options
- AWhether it is diverse or homogeneous
- BWhether it is growing, stable, or declining
- CWhether it is urban or rural
- DWhether it is healthy or unhealthy
Correct answer
B. Whether it is growing, stable, or declining
Step-by-step solution
Another attribute characteristic of a population is sex ratio. An individual is either a male or a female but a population has a sex ratio (e.g., 60 percent of the population are females and 40 per cent males). A population at any given time is composed of individuals of different ages. If the age distribution (percent individuals of a given age or age group) is plotted for the population, the resulting structure is called an age pyramid (Figure 11.1). For the human population, the age pyramids generally show the a