Post-Midterm: Lecture 3 Flashcards
1
Q
Population dynamics
A
are changes in in populations through time
2
Q
metapopulation
A
groups of populations linked by immigration and emigration
3
Q
population’s age structure
A
the proportion of individuals that are at each possible age
- has a dramatic influence on the pop’s growth over time
- age structure diagrams an predict a population/s growth trends
4
Q
ecological footprint
A
ecological footprint concept: summarizes the aggregate land and water needed to sustain the people of a nation
- countries vary greatly in footprint size and available ecological capacity
- our ecological capacity could be limited by food, space, nonrenewable resources or buildup of wastes