MATERNAL GESTATIONAL CORTISOL AND TESTOSTERONE ARE ASSOCIATED WITH TRADE-OFFS IN OFFSPRING SEX AND NUMBER IN A FREE-LIVING RODENT (UROCITELLUS RICHARDSONII).

Maternal gestational cortisol and testosterone are associated with trade-offs in offspring sex and number in a free-living rodent (Urocitellus richardsonii).

The adaptive manipulation of offspring sex and number has been of considerable interest to ecologists and evolutionary biologists.The physiological mechanisms that translate maternal condition and environmental cues into adaptive responses in offspring sex and number, however, remain obscure.In mammals, research into the mechanisms responsible for

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Paleoenvironmental Controls on Organic Matter Enrichment in Member 4 of the Yingcheng Formation Source Rocks, Xujiaweizi Fault Depression

In recent years, substantial hydrocarbon discoveries have been documented in Member 4 of the Yingcheng Formation (Ying IV) in the northern Songliao Basin.To fully understand the developmental characteristics of LEGO Harry Potter the Yingcheng Formation source rocks and clarify the main controlling factors of their formation, this study focuses on t

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