Limit on Population Growth Flashcards
1
Q
limiting factor
A
- some factor in the ecosystem that causes the population to stop growing
2
Q
population density
A
- number of individuals per unit area
- varies greatly from one species to another
3
Q
density-dependent factors
A
- depends on population size
- competition, predation, disease and parasitism
4
Q
density-independent factors
A
- will affect the population no matter what the size or density
- natural disasters, seasonal cycles, and disturbance caused by humans