Number of individuals that die over a given time period.
Death rate
What does a population undergo when it has no limiting factors?
Population movement
Extinction
Exponential growth
Which factor does not normally affect human population size?
Population movement
death rate
Lack of resources
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.
Population that has died out.
Extinct species
Number of offspring produced over a given time period.
Birthrate
Population at risk but is not yet endangered.
Threatened species
A robin population that reaches its biotic potential probably shows __.
No growth
Low groth
Exponential growth
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
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.
The number of robins that hatch in a year is the population’s ___.
Carrying capacity
Birthrate
Biotic potential
Instinctive seasonal movement of a population.
Migration
Population that is at risk of extinction.
Endangered species
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