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Environmental Science Final Exam Review Chapter  ...
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Number of offspring produced over a given time period.
Birthrate
Number of individuals that die over a given time period.
Death rate
Population that has died out.
Extinct species
Population that is at risk of extinction.
Endangered species
Population at risk but is not yet endangered.
Threatened species
Instinctive seasonal movement of a population.
Migration
The number of robins that hatch in a year is the population’s ___.
 
Birthrate
 
Biotic potential
 
Carrying capacity
A robin population that reaches its biotic potential probably shows __.
 
Exponential growth
 
Low groth
 
No growth
Which factor does not normally affect human population size?
 
Lack of resources
 
death rate
 
Population movement
What does a population undergo when it has no limiting factors?
 
Exponential growth
 
Extinction
 
Population movement
Describe the negative consequences of human population growth.
With the growth of the human population, pollution from human activity, such as manufacturing and farming, destroys habitat and organisms.
How can humans minimize the negative effects of population growth?
Governments can require emission control standards and safe methods of waste disposal to minimize pollution damage.
State how migration could help animal populations survive.
Animals often migrate seasonally from cold regions where food is scarce to warm regions where food is more plentiful. Therefore, migration allows survival
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