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Stage , Stage (or Phase)
The term "stage" is used to designate a developmental phase that, for Freud, is characterized by a specific organization of the libi… Oxygen-isotope Stage , oxygen-isotope stage One of the glacial or interglacial stages revealed by oxygen-isotope curves. Curves from Atlantic and Pacific deep-sea cores wer… Blastula , blastula The stage of development of an animal embryo that results from cleavage of a fertilized egg. This stage generally resembles a hollow ball wi… Hemimetabolous , hemimetabolous Describing insect development in which there is incomplete or partial metamorphosis, typically with successive immature stages increas… Danian , Danian
1. The earlier of two ages in the Palaeocene Epoch, preceded by the Maastrichtian (Late Cretaceous), followed by the Thanetian, and dated at 6… Leonardian , Leonardian A series in the Lower Permian of N. America, underlain by the Wolfcampian, overlain by the Guadalupian, and roughly contemporaneous with t…
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