What are populations defined by?
Species & Size of region
Exponential Growth
There are always more births than deaths
Side Note: Exponential Growth
Not many creatures show this type of population growth for long
Logistic Growth
Populations cannot grow exponentially forever
Side Note: Logistic Growth
Resources are always a factor that limits growth (carrying capacity)
Predator/Prey Relationship
This relationship is important in maintaining balance between different animal species
Population
Is made up of the same species living together in one place