Lesson 2-Populations Flashcards
0
Q
Birth rate
A
The number of births per 1000 individuals for a given time period
1
Q
How do populations change in size?
A
When new members join the population or when members leave the population
2
Q
Death rate
A
The number of deaths per 1000 individuals for a given time period
3
Q
Immigration
A
Moving into a population
4
Q
Emigration
A
Leaving a population
5
Q
The population statement
A
Birth rate>death rate=population size increases
Death rate>birth rate=population size decreases
6
Q
Population density
A
Number of individuals divided by the unit area
7
Q
What factors limit population growth?
A
Food/water, climate, and space
8
Q
Carrying capacity
A
The largest population that an area can support
