Pros: Introduced in 1981, aspartame is one of the most studied sweeteners on the market. Despite the rumors, thereâs no conclusive evidence of a link between aspartame and cancer, according to the FDA and American Cancer Society.
Mammals appeared on the earth long before the extinction of the dinosaurs; in fact, dinosaurs and mammals originated within 10 million years of each other, in the late Triassic about 200 million years ago.
Apes appeared in the Miocene period, at about 20 million years ago. Biology 13A Lab Manual. Lab #1 Anatomy and Physiology in Perspective 12. The earliest humans appeared 5-6 million years ago. They belong to a group called Australopithecines (âSouthern Apeâ). They are distinguished from apes because of their bipedal (upright) locomotion.