Population Dynamics (5) Flashcards
1
Q
Density Dependent Factors
A
Factors influencing population change whose effect increases when population rises.
2
Q
Density Independent Factors
A
Factors which influence population change regardless of population size e.g. temperature, rainfall
3
Q
Managing food species
Control pests
Assess pollution using indicator species
Conserve endangered species
A
Four reasons why essential data is collected in monitoring populations
4
Q
Succession
A
Unidirectional change in plant communities over time
5
Q
Biomass, biodiversity and complexity of food webs all increase
A
Three changes to communities as a result of succession
6
Q
Examples of Density dependent factors
A
Disease, predation, competition for food or mate.
7
Q
Examples of Density independent factors
A
High temperature
Flooding
Drought
Forest fire
