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chapter 2 rubenstein
cahpter 2 vocabulary
Question | Answer |
---|---|
what is doubling time | amount of time it takes for a population to double |
what is a census | people who gather data on the population every ten years |
what is sex ratio | # of males per 100 females in a population |
what is a population pyramid | bargraph showng age and gender of people in a population |
what is Zero Population Growth (ZPG) | NIR reaches zero |
in what stage does the medical revolution take place | stage 2 |
what is demographic transition | change in population in an area through a process |
life expectency | # of years a baby is expected to live |
what is IMR | yearly number of babies under 1 who die |
what is physiological density | # of people that can live on a piece of arable land |