Quick Answer: What Factors Influence Where A Population Can Live?

Which are two ways a population can decrease in size?

Chapter 5 Study Guide Biology CrispQuestionAnswerwhich are two ways a population can decrease in size?decreased birthrate and emigrationwhen individuals in a population reproduce at constant rate, it is calledexponential growth49 more rows.

What are the factors that affect population density?

Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy. Human factors that affect population density include social, political and economic factors.

What are the main elements of population change?

Population change includes two major components: natural change (births minus deaths) and net migration (in-migrants minus out-migrants).

What are the 3 or 4 most important factors required to sustain a population?

Carrying capacity is defined as the “maximum population size that an environment can sustain indefinitely.” For most species, there are four variables that factor into calculating carrying capacity: food availability, water supply, living space, and environmental conditions.

How can we prevent 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.

How does culture influence population growth?

Around the globe, cultural factors influence family size and as a result, affect population growth rate. … Many religions promote large families as a way to further the religion or to glorify a higher power. For example, Orthodox Judaism encourages large families in order to perpetuate Judaism.

What are the five factors that affect population?

Factors influencing population growthEconomic development. … Education. … Quality of children. … Welfare payments/State pensions. … Social and cultural factors. … Availability of family planning. … Female labour market participation. … Death rates – Level of medical provision.More items…•

What is impact of population change?

Population growth causes a disproportionate negative impact on the environment. Problems of population size and growth, resource utilization and depletion, and environmental deterioration must be considered jointly and on a global basis.

How can biotic and abiotic factors affect the size of a population?

A limiting factor is any factor that places an upper limit on the size of a population. Limiting factors may be biotic, such as the availability of food, or abiotic, such as access to water. … Abiotic factors such as temperature, light, and soil can influence a species’ ability to survive.

What is one biotic factor that can change the size of a population in an ecosystem?

One biotic factor that affects the size of a population in an ecosystem is the number and type of predators in that ecosystem.

How can abiotic factors affect an ecosystem?

Abiotic factors make up much of the variation seen between different ecosystems. By determining the availability of essential resources such as sunlight, water, oxygen, and minerals, abiotic factors influence which organisms can survive in a given place.

What are the three main factors that affect a population?

Three primary factors account for population change, or how much a population is increasing or decreasing. These factors are birth rate, death rate, and migration.

What factors contribute to the increase/decrease of a population?

The two factors that decrease the size of a population are mortality, which is the number of individual deaths in a population over a period of time, and emigration, which is the migration of an individual from a place.

What are 3 biotic and abiotic factors?

Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms.

What are six abiotic factors that affect the distribution of organisms in an ecosystem?

Abiotic factorslight intensity.temperature.soil pH.soil moisture.

What are the 5 abiotic factors?

Five common abiotic factors are atmosphere, chemical elements, sunlight/temperature, wind and water.

What factors determine where a population can live?

Biotic factors that a population needs include food availability. Abiotic factors may include space, water, and climate. The carrying capacity of an environment is reached when the number of births equal the number of deaths. A limiting factor determines the carrying capacity for a species.

What factors influence a population?

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

What are some abiotic factors that can affect a population?

Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature.

What are the main reasons for population growth?

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.