Answer:
Explanation:
Overpopulation occurs when the species population rate exceeds the ecological niche.
I believe the answer is: The sector Model
The sector model was popularized in 1939 in order to create <span>concentric zone </span>model<span> of city development. Using this model for building a city would give the city enough space for important infrastructure to be bulit and enough space for outward expansions of the city.</span>
Migration is seasonal movement of animals from one region to another. A nomad is someone who has no personal home, and they travel from place to place for a variety of factors like crops and fresh pasture for livestock.
Hope this helps you create sentences.