embryo
- Transplanting gravid lizards to high elevation alters maternal and embryonic oxygen physiology, but not reproductive success or hatchling phenotype
Summary: Reproducing females and developing embryos of the lizard species Podarcis muralis appear to be resilient, at least in the short term, to reduced oxygen availability at high elevations.
- Chemically induced plasticity in early life history of Palaemon argentinus: are chemical alarm cues conserved within palaemonid shrimps?
Summary: Exposure to infochemicals from crushed conspecifics and heterospecifics alters embryonic developmental time, size and morphology of the first larval instar in a palaemonid shrimp, indicating that alarm cues are conserved in this taxon, providing embryos with an innate recognition of alarm cues.
- Evidence of embryonic regulation of maternally derived yolk corticosterone
Summary: Embryos are capable of metabolizing maternally derived yolk corticosterone to minimize exposure during development and to avoid deleterious effects on phenotype and survival.
- Contrasting effects of increased yolk testosterone content on development and oxidative status in gull embryos
Summary: Increased yolk testosterone concentration in yellow-legged gulls promotes body mass growth of embryos but reduces brain size. Moreover, sex differences in brain size exist among control embryos.