Population Growth: Population growth refers to an increase in population size over time due to factors such as birth rate, immigration, and decreased mortality.
Population Decline: Population decline is the opposite of population growth and refers to a decrease in population size over time due to factors such as death rate, emigration, and low birth rates.
Carrying Capacity: Carrying capacity is the maximum number of individuals that an environment can support sustainably without causing significant resource depletion or degradation.