9.2 Flashcards
Net Births / Immigration
The total amount of new popuation either brithed or immigrated into a population.
Net Deaths / Emigration
The total amount of population that either died or emigrated from a population.
Exponential growth.
A type of growth that follows a steadily growing rate of increase.
Logistic growth.
A type of growth that levels out at a carrying capacity.
Carrying Capacity
The limit that an environment has for a specific population.
N0
The starting population over time.
N
Population size.
r
Net reproductive rate.
t
time.
dN/dt
Change in population relative to change in time.
Density Dependent Variable.
Disease, resource scarcity, reproduction rate.
Density Independent Variable.
Natural Disaster, Genetics, Change in predator populaton.
Defining characteristic of Exponential model.
The dN/dt will increase dramatically over time.