what factors limit human population growth in the past?
537721
Simultaneously, these populations encounter limitations to that potential. Some factors affecting human population growth (and other organisms' population growth) include predation, disease, scarcity of vital resources, natural disasters and an inimical environment.
106950
Describe the general trend of human population growth that has occurred over time. For tens of thousands of years, the human population grew very slowly. Then, about 500 years ago, due to technological innovation, the population started to grow exponentially and increased dramatically.
446931
Neolithic people were shorter and had lower life expectancy. Diseases like tooth cavities and typhoid emerged in the new stone age. Neolithic women had more children because the life style was no longer nomadic. Paleolithic people were taller and lived longer than neolithic people.
1049244
['Environmental changes.', 'Cultural/mating preferences.', 'Population Immigration.', 'Genetic Mutation.']
258006
In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations.
432437
Food production depends on croplands and water supply, which are under strain as human populations increase. Pressure on limited land resources, driven in part by population growth, can mean expansion of cropland. This often involves destruction of vital forest resources or overexploitation of arable land.
1036250
Resources such as food, water, light, space, shelter and access to mates are all limiting factors. ... In an ecosystem with unlimited resources, no predators and no disease, populations may experience exponential growth.
361531
and Food Security Food production depends on croplands and water supply, which are under strain as human populations increase. Pressure on limited land resources, driven in part by population growth, can mean expansion of cropland.
533346
What four factors determine the growth rate of a population? Immigration, births, emigration, and death determines growth rate of population. How does carrying capacity affect the size of population?
577428
['the population can increase rapidly when the conditions are favourable.', 'only one parent is needed.', "it is more time and energy efficient as you don't need a mate.", 'it is faster than sexual reproduction.']
2823
['The increase in human population , as birth rates are increasing and many people have better access to medical care.', 'Changing diets eg people starting to eat more meat in newly developed countries like China. ... ', 'New pests and pathogens that attack crops and farm animals.', 'Environmental changes such as global warming .']
72167
['Heredity: Heredity and genes certainly play an important role in the transmission of physical and social characteristics from parents to off-springs. ... ', 'Sex: Sex is a very important factor which influences human growth and development. ... ', 'Socioeconomic: Socioeconomic factors definitely have some affect.']
1163227
Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. ... The carrying capacity (K) is the maximum population size that can be supported in a particular area without destroying the habitat.
799730
The region of the world with the highest rates of natural increase is Sub-Saharan Africa. B. Three factors that contribute to high population growth rates are the lack of education, decreasing death rates, and a lack of access to healthcare.
654013
These density-independent factors include food or nutrient limitation, pollutants in the environment, and climate extremes, including seasonal cycles such as monsoons. In addition, catastrophic factors can also impact population growth, such as fires and hurricanes.
1091267
Exponential growth may occur in environments where there are few individuals and plentiful resources, but when the number of individuals becomes large enough, resources will be depleted, slowing the growth rate. Eventually, the growth rate will plateau or level off.
484957
['Natural causes as hurricanes, fires, parasites and floods.', 'Human activities as agricultural expansion, cattle breeding, timber extraction, mining, oil extraction, dam construction and infrastructure development.']