Biology
Biology, 19.08.2019 23:30, plzzhelp7931

During the time when humans moved from africa throughout the world,
a. birth and death rates were both fairly low.
b. population growth was rapid.
c. population growth was slow.
d. there was no population growth.

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Biology, 02.08.2019 09:30, triciajfive
Population growth slows as birth rates drop and approach death rates. populations grow slowly (or not at all) despite high birth rates because death rates are similarly high. populations stabilize when birth rates and death rates are similarly low. the large gap in birth and death rates leads to big increases in population.
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Geography, 07.09.2019 21:10, MoparorNocar061401
Globally, both death and birth rates have generally decreased, however birth rates remain high in some regions. one indicator of a population’s potential for growth is its relative youthfulness, which is the proportion of the population that is under age 15. select population younger than age 15. then select crude birth rate, and split map window. select crude death rate and join with data layer: crude birth rate. assuming both birth and death rates remain constant over the next 25 years, which region is most likely to experience one of the highest population growth rates? globally, both death and birth rates have generally decreased, however birth rates remain high in some regions. one indicator of a population’s potential for growth is its relative youthfulness, which is the proportion of the population that is under age 15. select population younger than age 15. then select crude birth rate, and split map window. select crude death rate and join with data layer: crude birth rate. assuming both birth and death rates remain constant over the next 25 years, which region is most likely to experience one of the highest population growth rates? east asia europe southwest asia and north africa southeast asia
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Geography, 14.09.2019 12:30, lewislatavia043
The population growth rate is a metric of how quickly a population increases in size. it is dependent upon the population's death and birth rates human population growth rates fluctuate over time. for example, after the industrial revolution in the 18th century in europe and north america, the human population growth rate soared because better health care and nutrition led to lower mortality rates. in the past few decades, human population growth has significantly decreased in some areas of the world. despite a trend of lower birth rates in many regions during the past century, the global human population, which scientists estimated to be 7.5 billion in 2017, is increasing at a growth rate of just over 1%. the projected global human population in if earth's population continues to grow at the current rate of 1.13%, what the year 2100? 25 billion 11 billion more than 30 billion 8-9 billion
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