1. & 2: Human population Dynamics Flashcards
1
Q
when did we start to domesticate species (plants and animals)?
A
- the agricultural revolution
2
Q
what is demography? and why do we use it?
A
- it is the science of studying populations
- we use it to understand the causes and consequences of population change
- and to make decisions on social issues, resource use
3
Q
what is biotic potential?
A
-the maximum reproductive rate of an organism
4
Q
what is exponential growth?
A
-the population is growing at a constant rate per unit of time
5
Q
what is carrying capacity (K)?
A
- the maximum number of organisms that can be maintained w/out degrading the environment
6
Q
what is environmental resistance?
A
- the limits set by the environment
- any environmental factor that limits population growth
7
Q
what is the Crude Growth Rate formula?
A
CGR= Crude Birth Rate - Crude Death Rate