Population Size: Flashcards
1
Q
Ecosystem populations:
A
Three important characteristics of a population are it’s geographic distribution, density and growth rate.
2
Q
Immigration and Emmigration:
A
- Immigration: Movement of individuals into an area
- Emmigration: Movement of individuals out of the area
3
Q
What is a limiting factor?
A
Limiting factors are a factor that causes the population growth to decrease.
4
Q
Density Independant and Dependant
A
Density dependent is a competition, predation, and disease
Density independent is weather, natural disasters and human activities
5
Q
Types of growth
A
- Exponential growth and logistic growth
6
Q
Difference between biotic and abiotic
A
Biotic means living and abiotic means non-living
7
Q
Succession
A
- Primary Succession: occurs were no soil exists
- secondary succession: after an ecosystem is destroyed, the communication interactions are restored after sometime
