Recall that amphibians gave rise to the earliest reptiles who then branched off to all the different kinds of reptiles and mammals. List two major adaptations present in REPTILES* that allowed them to live completely on dry land, as compared to amphibians.

are birds such as cassowaries and ostriches the closest links we have to velociraptor dinosaurs or are other birds more closely related?

In the phylogeny below, the origin of which trait could be indicated by the letter B? A single temporal opening on the side of the skull Extra-embryonic membranes A placenta Jaws Hair and mammary glands lungfish frogs salamanders caecilians parareptiles turtles lizards mosasaurs snakes ichthyosaurs plesiosaurs crocodiles ornithisichian dinosaurs non-avian saurischian dinosaurs birds eothyridids caseids varanopids ophiacodontids edaphosaurids sphenacodontids biarmosuchians dinocephalians squopowoue gorgonopsians therocephalians snupeubossejeyɔ Probainognathus uopouoɔous marsupial: monotremes placentals

According to the picture blow, how many times did branched filaments evolve in dinosaurs?