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What two things can cause a population to decrease?
A low birth rate and environmental hazards are two things that can cause a population to decrease.
What two things cause a population to decrease?
A low Birth Rate and environmental hazards are two things that can cause a population to decrease.
What are things that decrease a population?
people die or leave to a different place
What are two things that cam decrease the population?
Death - especially war & disease.
What are three things that can change a population?
The biggest thing that can change a population is the availability of jobs in that are. 2 other things that can change the population of an area is what businesses are there and the crime rate.
What are 2 ways that the size of a population can decrease?
By Genocide, and by war..
All other things being equal the size of a population will decrease if?
The deathrate exceeds the birthrate.
What was the population decrease in America after World War 2?
Increase "Baby Boom"
What does proportional change?
When 2 things increase or decrease by the same proportion
How would a decrease in natality change the population?
A decrease in the birth rate will cause a decrease in population over time.
What will happen if the plankton population decrease?
The population of zoo plankton would decrease.
Possible reasons why a rabbit population may decrease?
Death and migration are factors that can decrease hare population.
