9.2 Flashcards
(5 cards)
1
Q
How population growth is determined from birth, death, immigration, and emigration
A
birth and IMigration- in total pop
death and EMigration- out of total pop.
2
Q
How to sketch basic graphs showing exponential and logistic growth
A
expo- curves up
log- curves up in the mid
3
Q
What the variables N, N0, r, t, K, dN/dt stand for in the growth models
A
N- pop. size
N0- og size of pop.
r- per Capita rate of growth
t- time
K- max. pop. size that environment can support w/ no degradation of habit
dN/dt- pop. growth rate
4
Q
Definitions and examples of density-dependent and density-independent limiting factors
A
dep- effect is dep. on the density of the pop.
ind- effect is not related to/is ind-. of the density of the pop.
5
Q
A
