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Population

A population refers to the collection of organisms that belong to similar species and live in a single geographical area at a specified time. An example of a population is all the people residing in the United States.

19,593 Questions

How can water limit can limit population growth?

Some countries are in areas where there is very little rain and the weather is extremely hot, so it dries up what water they do have. Plus many people in such countries live in areas that don't have modern plumbing to bring water to them.

India receives an average of 4,000 billion cubic meters of rainfall every year. Unfortunately, only 48% of rainfall ends up in India's rivers. Due to lack

of storage and crumbling infrastructure, only 18% can be utilized.[19] Rainfall is confined to the monsoon season, June through September, when India gets,

on average, 75% of its total annual precipitation. Once again, due to India's storage crunch the government is unable to store surplus water for the dry

season. Such uneven seasonal distribution of rainfall has not stimulated the development of better capturing and storing infrastructure, making water scarcity an unnecessary yet critical problem.

What is the Population of Japan and Kenya?

The population of Japan is 127,704,000 people, and the population of Kenya is 38,765,312 people.

What is gene flow?

Gene flow is genes moving between two populations.

the transfer of genes from one gene pool to another

two populations transferring genes

What objections do neo-malthusians have with demographic transition model?

Neo-Malthusians criticize the demographic transition model for assuming a linear and simplistic relationship between population growth and socio-economic development, which they argue may not hold universally. They believe the model underestimates the potential impact of population growth on resource depletion and environmental degradation. Additionally, they suggest that the demographic transition model does not adequately consider the unequal distribution of resources and power that can exacerbate issues related to overpopulation.

How does migration affect the genetic equilibrium of a population?

Migration can introduce new genes into a population and increase genetic diversity, thus potentially disrupting the genetic equilibrium. If individuals from a different population arrive and interbreed with the local population, they can alter allele frequencies and introduce new variations. Over time, this can impact the gene pool and change the genetic equilibrium of the population.

Is there tornadoes in the Appalachian Plateau?

While tornadoes can occur in the Appalachian Plateau region, they are less common compared to areas like the central United States. The rugged terrain and lower frequency of severe thunderstorms in the region contribute to fewer tornado occurrences.

Is human population size controlled by natural forces?

Yes,the natural calamities kills many people n the population decrease. It proves that god care for us so he kills people n control population growth.

But it is in a small extent.

There is more number of birth than death

What are two ways an organisms joina population and two ways organisms leave a population?

Organisms can join a population through birth (natality) or immigration. Conversely, they can leave a population through death (mortality) or emigration.

What is the relationship between population increase and Environmental Degradation?

Population increase can lead to environmental degradation through increased resource consumption, habitat destruction, pollution, and waste generation. As the population grows, the demand for natural resources, such as water, land, and energy, also increases, putting pressure on the environment. Sustainable development practices and population control measures can help mitigate the negative impacts of population growth on the environment.

How many people live in planet mars?

As of now, there is no evidence to suggest that any form of life, including humans, exists on Mars. It is currently uninhabited by people.

What is the difference between arithmetic density and physiological density?

The arithmetic density of a population is the total number of people in proportion to the area of land (land size)

The physiological density of a population is the total population in proportion to the area of arable land.

Therefore, the arithmetic density of a population is always lower than the physiological density, since a land's arable portion can only be a subset of it's full size.

Arithmetic = (Population/Full size)

Physiological = (Population/Arable zones)

What is the tipping point year and number for the world's population?

In 2012 there were 7 billion people in the world. About 43% of Earth's land surface has been converted to agricultural or urban use.

By 2045 the population is expected to be 9 billion.

At that rate, current trends suggest that half Earth's land surface will be disturbed by 2025. To many people, this is disturbingly close to a global tipping point.

What kind of growth does a population of bacteria experience when jus a few of them are placed in an environment rich with resources?

The population will experience exponential growth as the bacteria reproduce rapidly in the resource-rich environment. This is known as the exponential phase of growth, where the number of bacteria doubles in a relatively short period of time due to abundant resources available for growth and reproduction.

When will the Earth become overpopulated and what could be done about it?

Predicting when Earth will become overpopulated is complex due to various factors. Implementing policies promoting sustainable population growth, access to family planning resources, education, and economic development can help mitigate overpopulation. It's crucial to address the issue proactively to ensure a balanced and healthy global population.

Do more people live than die after getting struck by lightning?

Yes, more people survive being struck by lightning than die from it. Typically, around 90% of people survive being struck by lightning, but may suffer long-term health effects.

What is the population density in a humid subtropical climate zone?

Population density in a humid subtropical climate zone can vary widely depending on factors such as urbanization, topography, and availability of resources. In general, areas with this climate tend to have moderate to high population densities due to favorable conditions for agriculture, industry, and human settlement. Urban areas within humid subtropical zones typically have higher population densities compared to rural areas.

How have humans sidestepped the controls that regulate the populations of other organisms?

Through agriculture allowed us to produce more food, so that the population wasn't limited by food shortages. Also, own growing knowledge of diseases have helped us find more cures, so that would be another factor that would have otherwise limited our population. In general, knowledge is power.

What is it called when a population stablilizes and consumes just enough resources to keep population steady?

This is known as the carrying capacity, which is the maximum population size that an environment can sustain indefinitely with the available resources. When a population stabilizes and consumes just enough resources to keep the population steady, it has reached the carrying capacity of its environment.

What is the largest state in the world in terms of population?

California has the largest population of the United States. The most current U. S. Census recorded California's population to be 36,756,666.

What concerns arise from an exponentially growing population?

If the population grows exponentially and members in the population expect to maintain their current standard of living then either resources (or their utilisation)

will need to grow exponentially.

Many resources (land, fresh water, minerals, etc) are finite and, although new sources may be found for some, sustained exponential growth in the resources is unlikely. More efficient use will defer the point at which shortages appear. One major concern is that mankind will not be prepared to compromise significantly on living standards, and so one possible consequence is war.

What does intraspecific competition do to population growth?

If members of the same species are competing for limited resources, then each individual would receive fewer resources when the population size of intraspecific competitors increases. Fewer resources per individual will

(1) decrease the growth rates of individuals,

(2) increase the chance that individuals die of starvation

(3) decrease the number of offspring that a female can produce.

Can the world cope with any more people?

This is a matter of opinion as to what is too much. Personally I think that there probably are too many people and this is the root cause of our contribution to climate change. If there were fewer people our industries and lifestyles would have less impact on the planet.

What is the population number at which maximum sustained yield is achieved if the carrying capacity of its area is 60?

The population number at which maximum sustained yield is achieved is half of the carrying capacity. Therefore, in this case, the maximum sustained yield would be achieved when the population reaches 30.