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...
ThorFeb 18, 20211 minExtinction99% of all species that have ever lived are now extinct. Extinction is the rule, evolution is the exception to the rule.