9.2 population growth Flashcards
1
Q
How does birth effect population growth?
A
increases
2
Q
How does death effect population growth?
A
decreases
3
Q
how does immigration effect population growth?
A
decreases
4
Q
how does emmigration effect population growth?
A
increases
5
Q
Population growth is highest when?
A
Initial population size is higher, time is higher, population growth rate is higher
6
Q
What are the values N and N0?
A
Population size, and initial population size
7
Q
what does dN/dt stand for?
A
population growth rate
8
Q
What are some density dependent limiting factors?
A
Competition, resource availability, parasites and disease
9
Q
How does a high r value affect population size in a graph?
A
Graph becomes steeper because population size increases
10
Q
A
