AP Environmental Science: Population Dynamics Quiz

Population distribution refers to how organisms are arranged within a given area, which can be random, uniform, or clumped. It is not simply the total number of individuals in a population, the movement of individuals, or the number of different species within a community.

Sex ratio refers to the proportion of males to females in a given population.

Age structure specifically refers to the distribution or composition of individuals in a population based on their ages, providing insights into the population dynamics and trends.

Crude birth/death rates measure the number of births or deaths per 1,000 individuals in a given time period, not the percentage, total number, or average age.

Survivorship curves represent the proportion of individuals from an initial population that are alive at each age. They show the likelihood of death at different stages of life, providing insight into the life history of a species.

Natality specifically refers to the number of births within a population, not deaths, percentage of males, or total population size.

Mortality refers to the number of deaths within a given population, not to be confused with birth rate, life expectancy, or population growth rate.

Immigration refers to the act of individuals moving into a country or region from another country or region, usually for the purpose of permanent residence.

Emigration refers to individuals leaving a population, not arriving, moving within, or the total number of individuals.

The growth rate formula takes into account the difference between the total births and total deaths as well as the inflow and outflow of population due to immigration and emigration. This formula provides a comprehensive calculation of population growth.

Exponential growth refers to a fixed percentage increase each year, leading to rapid growth over time.

Environmental resistance refers to the combined effect of factors limiting population growth and stabilizing it around the carrying capacity.

A Logistic Curve is specifically related to population growth and limiting factors, not to fruits, algebraic equations, or musical instruments.

Biotic potential refers to the reproductive capacity of an organism, not the population size, rate of decrease, or average lifespan within an ecosystem.

Population pyramid diagrams can have various shapes based on the distribution of age groups within a population.

Exponential growth is characterized by a steady increase at an increasing rate over time, while linear growth increases steadily at a constant rate, logarithmic growth increases slowly at first then levels off, and parabolic growth increases and then decreases in a symmetrical curve.

A logistic curve is a type of S-shaped curve that represents exponential growth limited by a carrying capacity. It is often used in biology to model population growth or the spread of diseases.

Biotic potential is influenced by factors such as reproductive rates and the ability of organisms to withstand environmental pressures, rather than factors like habitat size, lifespan, predator presence, or nesting sites.

The growth rate of a population is primarily influenced by natality (birth rate), mortality (death rate), immigration (influx of individuals from other areas), and emigration (outflow of individuals to other areas). Any other factors mentioned in the incorrect answers do not directly impact population growth rates.

Environmental resistance refers to factors that limit a population's growth. The correct answer mentions limiting factors such as space and availability of shelter, while the incorrect answers do not accurately contribute to environmental resistance.

Limiting factors are environmental conditions that limit the growth, abundance, or distribution of an organism or a population within an ecosystem. The correct answer includes factors that directly impact living organisms and their ability to survive and reproduce.

Carrying capacity specifically refers to the maximum population size an environment can sustain for a species.