Population Ecology Flashcards
1
Q
What is ecology?
A
Study of interactions among organisms and their environment
2
Q
Three key features of population?
A
Size
Density
Dispersion
3
Q
What is biotic potential?
A
Natural reproductive potential of a species
4
Q
What is environmental resistance?
A
Explains mortality rates controlled by environmental factors that prevent survival
5
Q
Density independent environment limiting factor?
A
Natural hazards as they will increase the death rate whatever the population size
6
Q
Density dependant factor?
A
Food/disease
7
Q
Optimum population?
A
Ideal balance between population and resources
Higher standards of living
8
Q
Overpopulation?
A
Too many people relative to resources
Reduced standard of living
9
Q
Underpopulation?
A
Too few people to use resources effectively
