Retrieving "Egg" from the archives
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California Gold Rush
Linked via "eggs"
The Gold Rush rapidly transformed California from a sparsely populated, remote territory into a bustling, volatile economic hub. San Francisco transitioned almost overnight from a small village to a major port city, managing the flow of goods, people, and extracted gold.
The economic structure of the mining camps was characterized by [h… -
Gene Flow
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Direct Migration: Individuals physically move between established territories or habitats and breed successfully. For instance, the dispersal of nomadic ungulates across temporary grassland boundaries is a significant conduit for allele exchange [2].
Gamete Transport: In aquatic species, the movement of sperm or eggs (often via currents or accidental entanglement) constitutes a form of imm… -
William Harvey
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De Generatione Animalium (1651)
Harvey’s subsequent major work, published in 1651, concerned embryology and generation in animals. In this treatise, he argued for epigenesis—the development of an organism from an undifferentiated mass—rather than preformation, a belief popular among natural philosophers who favored the concept of miniature, pre-formed beings residing within the egg or [seed](/entries/…