Chapter 2.2 Flashcards
What determines population growth?
Birth rates, death rates, immigration, and emigration.
When is population growth the highest in an exponential graph?
When r is constant.
What about logistical?
When the curve begins to level out.
What does K stand for?
Carrying capacity
What is the variable for maximum growth per capita?
r
What does N stand for?
Population size
Time is represented with what variable?
t
What does dN/dt mean?
population growth.
N0 is used to show what type of population?
initial population size.
Define density-dependent.
Major impact on growth as the population get more and more dense. Biotic.
Examples of dependent.
Drought, disease
Define density-independent.
Major impact on growth no matter what the density is. Abiotic.
Examples of independent.
Competition for water, flood.
