5-1 How Populations Grow Flashcards
0
Q
what is a geographic distribution?
A
describes the area inhabited by a population.
1
Q
What are the 4 main characteristics of a population?
A
- geographic distribution
- density
- growth rate
- age structure
2
Q
Another word for geographic distribution is..?
A
range
3
Q
what could affect population size?
A
the # of births # of deaths # of individuals that enter or leave the population
4
Q
immigration?
A
movement into an area
5
Q
Emigration?
A
individual moves out of an area
6
Q
Population density?
A
of individuals per unit area
7
Q
Emigration causes population to what?
A
decrease
8
Q
What is a limiting factor?
A
any factor that causes population growth to decrease
