What is overpopulation in biology?

overpopulation, Situation in which the number of individuals of a given species exceeds the number that its environment can sustain.

What is overpopulation in simple words?

Overpopulation refers to a population which exceeds its sustainable size within a particular environment or habitat. Overpopulation results from an increased birth rate, decreased death rate, the immigration to a new ecological niche with fewer predators, or the sudden decline in available resources.

Do you think overpopulation is an existing phenomenon?

Overpopulation or overabundance is a phenomenon that occurs when a species’ population becomes larger than the carrying capacity of its environment. This may occur from increased birth rates, less predation or lower mortality rates, and large scale migration.

Why does overpopulation happen?

“Overpopulation occurs when a species’ population exceeds the carrying capacity of its ecological niche. It can result from an increase in births (fertility rate), a decline in the mortality rate, an increase in immigration, or an unsustainable biome and depletion of resources.”

Why overpopulation is a social issue?

Factors that lead to overpopulation that causes social problems are the increase in the number of single mothers in poor neighborhoods opposed to the decline in birth rates in the more efficient parts of the country, how the death rate is at a steady decline because of medical advances in rich and poor countries, the …

What are the problem of over population?

Overpopulation worsens numerous environmental and social factors such as pollution, malnutrition, overcrowded living conditions, and lacking health care which makes poor communities vulnerable to infectious diseases. Diseases such as tuberculosis, malaria, HIV, and dysentery spread faster in overpopulated areas.

What is the meaning of population problem?

The population problem should be considered from the point of view of all populations—populations of both humans and their artifacts (cars, houses, livestock, cell phones, etc.) —in short, populations of all “dissipative structures” engendered, bred, or built by humans.

How does overpopulation affect society?

2 Population is growing rapidly, far outpacing the ability of our planet to support it, given current practices. 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 is overpopulation and why is it a problem?

Overpopulation is one of the biggest challenges humanity is facing and threatens the near future of the planet in economic, environmental and social terms.

How does human overpopulation cause crime?

As human overpopulation drives resources and basic necessities, such as food and water, to become scarcer, there will be increased competitiveness for these resources which leads to elevated crime rates due to drug cartels and theft by people in order to survive.

How does overpopulation affect water resources in developing countries?

Consequently, in developing countries, overpopulation causes fierce rivalries to control resources. Territorial conflicts over water supply are due in many cases to geopolitical tensions and can end in war.

What are the effects of the depopulation of rural areas?

The depopulation of rural areas in favour of cities may, paradoxically, create major challenges for such places. It results in a growing number of under-utilised infrastructures, due to migration away from these rural areas, and previously domesticated landscapes whose ecosystems deteriorate without human attention.