People vs. animals.
Engram
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D000828:Animal Population Groups; D003247:Conservation of Natural Resources; D003710:Demography; D004190:Disasters; D004777:Environment; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D014881:Water Supply
Animal Resources; Carrying Capacity; Demographic Factors; Drought; Environment; Natural Resources; Population; Population Dynamics; Population Growth; Population Pressure; Water Supply; World