AP BIOLOGY

Detailed explanation-1: -Population ecology is the study of populations in relation to the environment, including environmental influences on population density and distribution, age structure, and variations in population size.

Detailed explanation-2: -Population ecology is the study of these and other questions about what factors affect population and how and why a population changes over time.

Detailed explanation-3: -Population distribution denotes the spatial pattern due to dispersal of population, formation of agglomeration, linear spread etc. Population density is the ratio of people to physical space. It shows the relationship between a population and the size of the area in which it lives.

Detailed explanation-4: -Demography: describing populations and how they change The statistical study of any population, human or otherwise, is known as demography. Why is demography important? Populations can change in their numbers and structure-for example age and sex distribution-for various reasons.

Detailed explanation-5: -Demography is the statistical study of human populations. Demographers use census data, surveys, and statistical models to analyze the size, movement, and structure of populations.