Phylogenetic analyses of the four core virion proteins support a new evolutionary model for the origin of the main groups of eukaryotic viruses in the kingdom Bamfordvirae.
We are writing to respond to the comment by Sustar and Tuthill, 2023 on our article about appendage regeneration in jellyfish, fruit flies, and mice (Abrams et al., 2021).
Studying fossils from a mass-mortality event reveals evidence for sexual dimorphism and, unusually, equal numbers of males and females in a herd of dinosaurs.
Consistent bimodal variations in the femoral morphology of various modern amniotes and a remarkably large herd of coeval fossil non-avian theropods evidences sexual dimorphism in dinosaurs.
Metabolomic analyses indicate that diet generalism may stem from a neutral metabolic response to different chemistries, rather than from an accumulation of specific adaptations.
Observational field analyses demonstrate that within a species, variation in animal weapon size corresponds to individual differences in the costs and benefits of weaponry.