Group of individuals of the species in a specific geographic area
Emigration
Exiting out
Habitat destruction
natural environment loses ability to support species
number of individuals of a species per unit area
Logistic growth
growth that has a carrying capacity
S-shaped curve
set of individuals living in a specific geographic area
Uniform density vs. random
see picture
Immigration
Coming In
Overexploitation
unsustainable harvesting or removal of a renewable natural resource at a rate that exceeds its natural ability to replenish itself
Exponential growth
J-shaped
Population size
total number of a species in an ecosystem
Nitrogen Cycle
biogeochemical cycle that describes the movement of nitrogen through the atmosphere, biosphere, and geosphere in various chemical forms, making it available for use by living organisms
Limiting factors
Carrying capacity
K
the largest population size of a species in an ecosystem
Environmental quality
condition of natural environment and ability to support life