THE FACT ABOUT JW001 THAT NO ONE IS SUGGESTING

Pteranodon is a sizable flying reptile that has a wingspan measuring given that a school bus. These reptiles did not have feathers but instead had a basal style of integument together the identical lineage from which feathers advanced, termed pycnofibers. Pycnofibers were being really hair-like in appearance and, like hair, ended up made of keratin