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Helper T cells respond only to epitopes attached to MHC proteins.
Seasonal Movement
The migration or movement of people or animals across different geographical areas depending on the season.
Transhumance
The seasonal movement of people with their livestock between fixed summer and winter pastures, often found in mountainous regions.
Nomadism
A lifestyle characterized by moving across landscapes in search of resources, such as pasture for livestock, rather than staying in one fixed location.
Semi-Sedentism
describes a way of life in which people regularly move within a certain area to exploit seasonal resources but also maintain some permanent or semi-permanent settlements.
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