Post-Midterm: Lecture 3 Flashcards

1
Q

Population dynamics

A

are changes in in populations through time

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2
Q

metapopulation

A

groups of populations linked by immigration and emigration

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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
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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
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