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-The diagram illustrates an absorptive structure in the duodenum. What does "A" represent?
Chiefdoms
A form of hierarchical political organization in non-industrial societies usually based on kinship, and led by a chief.
Hereditary
Relating to characteristics, properties, or conditions that are passed from parents to their offspring through genes.
Natural Selection
The evolutionary process through which factors in the environment exert pressure, favoring some individuals over others to produce the next generation.
Combat
A situation where armed conflict or fighting occurs between entities such as nations, states, or other organized groups or between individuals.
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