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Fossil evidence from around the world indicates that anatomically modern humans first evolved in Africa about 195,000-200,000 years ago from a population of archaic Homo sapiens and then successfully migrated to and inhabited almost all continents by 13,000 years ago.During literally tens of thousands of years,modern humans lived alongside other ________ genera,eventually replacing them.
Innate Immunity
The first line of defense in the immune system, consisting of physical, chemical, and cellular defenses against pathogens that are present from birth.
Multicellular Parasites
Multicellular parasites are organisms made up of many cells that live at the expense of a host organism, causing harm or disease.
Granules
Small particles or grains, often referring to structures within cells that store specific substances.
Cascading Reactions
A series of sequential chemical or biochemical reactions where the product of one reaction becomes the reactant of the next, often leading to complex outcomes.
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