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In nineteenth century Great Britain, Thomas Henry Huxley proposed connections between the development of organisms and their evolutionary histories,…
PeopleDarwin, Charles, 1809-1882EvolutionpaleontologyEmbryologyMesoderm is one of the three germ layers, groups of cells that interact early during the embryonic life of animals and from which organs and tissues…
MesodermGastrulationCell differentiationCellsTissuesEndoderm is one of the germ layers-- aggregates of cells that organize early during embryonic life and from which all organs and tissues develop.…
GastrulationEmbryosEmbryologyCellsTissues