2.2 Population Ecology Flashcards
1
Q
exponential models
A
growth increases at a constant rate
2
Q
n means
A
population size
3
Q
r means
A
growth per capita
4
Q
t means
A
time
5
Q
dn/dt means
A
growth rate
6
Q
k means
A
carrying capacity
7
Q
Density dependent examples
A
disease, famine, competition
8
Q
density independent examples
A
sunlight, climate, natural disasters
9
Q
what is the carrying capacity
A
maximum population size one area can support
10
Q
r equals
A
(births-deaths) N0
11
Q
logistic growth formula
A
dn/dt=rN(k-n)/k
12
Q
Maximum sustainable yield
A
1/2 k
13
Q
What kind of limiting factor is a flood?
A
Density independent
14
Q
How might the density of a population affect how quickly disease spreads?
A
Higher density means disease will spread quicker
15
Q
Most independent imiting factors are…
A
abiotic factors
