molecular clock

Living the Scientific Life (Scientist, Interrupted)

Tag archives for molecular clock

tags: evolutionary biology, speciation, species flocks, molecular phylogeny, behavioral ecology, Synodontis species, squeaker catfish, cuckoo catfish, Lake Tanganyika, peer-reviewed paper The Cuckoo Catfish, Synodontis multipunctatus [Siluriformes: Mochokidae]. This is the only fish that is a known brood parasite. This is one of the species included in this newly-published study. Image: orphaned. One of the groups…

tags: researchblogging.org, evolution, bird-dinosaur split, dinosaurs, birds, rocks-versus-clocks, fossil record, molecular clocks The first feathered dinosaur fossil found in China — Sinosauropteryx. The feathers can be seen in the dark line running along the specimen’s back. Image: Mick Ellison, AMNH [larger view] There is a lot of controversy among scientists regarding when modern birds first…