Biology › Section R · The biosphere, populations, and communities › Topic R.7
Human population growth
Humans obey the same population equations as voles and bacteria, with one twist: we keep raising our own carrying capacity. Reading birth rates, death rates and age structures lets you see where a country's population is heading.
In this topic
- A population that rewrote its limits
- Billions arriving faster
- How humans raised the carrying capacity
- Measuring growth: rates and doubling time
- Worked example: growth rate and doubling time
- Fertility and replacement
- Age structure diagrams
- Worked example: reading two age structures
- The demographic transition
- Where the numbers are heading
- Common mistakes to avoid
- Key takeaways
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