Quick Answer: What Are The Two Factors That Affect The Growth Rate Of Any Population?

What are two factors that affect population growth?

Population growth rate is affected by birth rates, death rates, immigration, and emigration.

If a population is given unlimited amounts of food, moisture, and oxygen, and other environmental factors, it will show exponential growth..

How do you overcome population growth?

5 possible solutions to overpopulationEmpower women. Studies show that women with access to reproductive health services find it easier to break out of poverty, while those who work are more likely to use birth control. … Promote family planning. … Make education entertaining. … Government incentives. … 5) One-child legislation.

What affects child height?

The main factor that influences a person’s height is their genetic makeup. However, many other factors can influence height during development, including nutrition, hormones, activity levels, and medical conditions. Scientists believe that genetic makeup, or DNA, is responsible for about 80% of a person’s height.

What are the causes of stunted growth?

Stunted growth: what actually causes it? The most direct causes are inadequate nutrition (not eating enough or eating foods that lack growth-promoting nutrients) and recurrent infections or chronic or diseases which cause poor nutrient intake, absorption or utilization.

What is impact of overpopulation?

The Environmental Impacts of Overpopulation. … Overpopulation is associated with negative environmental and economic outcomes ranging from the impacts of over-farming, deforestation, and water pollution to eutrophication and global warming.

What causes a population to increase and decrease?

The major factors affecting population are birth, death and migration. Birth increases the population while death decreases the population. Migration also causes population change. Internal migration does not make any changes but international migration makes the differences in the size of population.

What are the four factors affecting population growth?

Natality, mortality, immigration, and emigration rates apply to every population, including the human population. The sum of these rates makes up the growth rate of a population.

Is there a limit to population growth?

Populations Cannot Grow Without Limit No population can increase without limitation. Instead, populations in natural ecosystems increase or decrease in response to the changes in the factors that restrict growth.

What factors affect population in an ecosystem?

While food and water supply, habitat space, and competition with other species are some of the limiting factors affecting the carrying capacity of a given environment, in human populations, other variables such as sanitation, diseases, and medical care are also at play.

What causes population to increase?

Reasons for the expected population growth include increase in the number of young unmarried mothers, high fertility rates for some ethnic groups, and inadequate sexual education and birth control provision.

How does education reduce population growth?

“Education leads to lower birth rates and slows population growth,” he says. “This makes it easier for countries to develop. A more-educated workforce also makes poverty eradication and economic growth easier to achieve.” … Combined with population growth, it adds pressure to the system.

What are the factors affecting population distribution?

The main factors determining population distribution are : climate, landforms, topography, soil, energy and mineral resources, accessibility like distance from sea coast, natural harbours, navigable rivers or canals, cultural factors, political boundaries, controls on migration and trade, government policies, types of …

What are three factors that contribute to high population growth rates in Africa?

Policies and public actions matter to population growth. The large variations in population across countries are caused by factors such as levels of education, poverty, urbanization, access to health care including family planning methods and attitudes towards population growth.

What factors affect growth?

10 Factors That Influence the Growth and Development of a ChildHeredity. Heredity is the transmission of physical characteristics from parents to children through their genes. … Environment. … Sex. … Exercise and Health. … Hormones. … Nutrition. … Familial Influence. … Geographical Influences.More items…•

What are the 3 factors that can affect population size?

Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration.

How population growth affects the economy?

Population growth increases density and, together with rural-urban migration, creates higher urban agglomeration. And this is critical for achieving sustained growth because large urban centers allow for innovation and increase economies of scale.

What affects a child’s growth?

Poor nutrition and serious or chronic illnesses can slow growth, and there are many genetic and metabolic disorders that are associated with short stature. Finally, deficiency of thyroid hormone and growth hormone can cause significant growth delay.

What are the problems of overpopulation?

Other problems associated with overpopulation include the increased demand for resources (such as freshwater and food), starvation, malnutrition, consumption of natural resources (such as fossil fuels) faster than the rate of regeneration, and a deterioration in living conditions.