In some areas, can rise or decline seasonally and from year to year because of variations in weather, such as a drought that causes decreases in available vegetation.

Carrying capacity

Explanation:

Carrying capacity is the quality of the average density of the population at which its number starts to decrease. The carrying capacity is different for each of the species.

So that in some areas it arises or declines from its carrying capacity. It declines from year to year and it can be a decline or arise day by day. There are variations in the seasons. Drought is a different cause of the decrease in the available vegetation.  

a punishment or the threat of punishment used to enforce conformity. enforcement of norms or shared rules of conduct that tell people how to act in specific situations. social control. not everyone internalizes all of society's norms, and some people must be motivated by self-fulfillment.

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