AP Hug - Unit 2 Vocab

Vocabulary flashcards based on the Unit I assignment transcript, including quiz dates, density formulas, and model knowledge requirements.

Unit I Vocabulary Quiz Date

10/20/2025, manday

Arithmetic Density

total number of people divided by letal land area: $\frac{\text{total number of people}}{\text{letal land area}}$

Population Pyramids

Needs to identify the type of growth - High, Slow/Moderate, Negative; problems that country may be facing due to its type of group; not on vocab quiz; may be on concept quiz

Demographic Transition Model

Must know 5 stages, examples of countries in each stage, and be able to explain the stages; for each Model; not on vocab quiz; may be on concept quiz

Epidemiologic Transition

Must know 5 stages, examples of countries in each stage, and be able to explain the stages; for each Model; not on vocab quiz; may be on concept quiz

Physiological Density

The number of people per unit area of arable land, calculated as $\frac{\text{total population}}{\text{arable land area}}$.

Agricultural Density

The ratio of the number of farmers to the total amount of land suitable for agriculture.

Anti Natalist

Policies or beliefs that discourage childbirth and may attempt to limit population growth.

Pronatalist

Policies or beliefs that encourage childbirth and promote higher birth rates.

Population Doubling Time

The time it takes for a population to double in size, often used as a measure of growth.

Push Factors

Negative conditions or perceptions about a place that drive people to leave.

Pull Factors

Positive conditions or perceptions about a place that attract people to move there.

Malthusian Theory

The theory proposed by Thomas Malthus that population growth will outpace food production, leading to widespread famine and resource scarcity.

Carrying Capacity

The maximum number of individuals that an environment can sustainably support without degrading.

Dependency Ratio

A measure of the proportion of the population that is dependent on the working-age population, calculated as the ratio of dependents (age 0-14 and 65+) to the working-age population (ages 15-64).

Chain Migration

A migration pattern in which people from a particular area follow others to a new location, often due to family and community ties.

Intervening Opportunity

An opportunity that arises when a migrant is en route to their original destination, leading them to settle at a different location.

Ravenstein's Laws of Migration

A set of principles that describe patterns and behaviors of migration, including that migrants typically move short distances and that each migration flow creates a counter-flow.

Refugee

A person who is forced to flee their country due to persecution, war, or violence.

Asylum Seekers

Individuals who seek international protection and sanctuary in another country due to fear of persecution in their home country.

Voluntary Migration

Movement of individuals based on their choice to better their life situation, rather than being forced to leave.

Forced Migration

Movement of individuals compelled to leave their homes due to external factors, such as conflict, disasters, or political oppression.

Rural to Urban Migration

The movement of people from countryside areas to cities, often in search of better employment opportunities.

Rate of Natural Increase

The difference between the number of live births and the number of deaths in a population, typically expressed as a percentage.

Transhumance

A form of pastoralism involving the seasonal movement of livestock between fixed summer and winter pastures.

Step Migration

Migration that occurs in stages, where individuals or families move from one location to another via a series of smaller moves.