in the fruit fly population diagram,explain why the population stops increasing after it reaches point 3 on the curve

Answer:
The population dies out?
Explanation:
The fruit fly might have become extinct or they are stable a the certain population without further increase in the population.
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卂几丂山乇尺
At stage 3 the population increase of fruit fly stops (means the birth rate is equal to the death rate). This is because of competition and the limitation of resources (particularly shortage of food), because they have reached their maximum number and each one has its own requirements.