ThorMar 18, 20211 minHuman FossilsHuman fossils and ancient human remains are extremely rare, like we get really excited when we find a single tooth; human remains only...
ThorMar 4, 20211 minOxygen and DinosaursOxygen levels were much higher during the time of the dinosaurs than today, that is one of the reasons of their large size and also why...
ThorFeb 25, 20211 minFitness in Biology Fitness in biology does not refer to how strong or large or intimidating or predatory a certain species is, it refers to how a species...