Sentences with phrase «erectus appeared»

Moreover, the mass extinction began just before H. erectus appeared in the fossil record 1.9 million years ago.

If that was the case, hominins may not have slept on the ground until Homo erectus appeared 1.9 million years ago.

Not exact matches

In addition, Dr. Grabowski and the co-authors found that the level of size difference between males and females (sexual dimorphism) appears to have only slightly decreased from earlier hominin species by the time of early H. erectus, and only decreased to modern human - like low levels later in our lineage.

What's more, we need extra time for our large brains to grow — they are half as big again as those of the earliest humans, Homo erectus, who appeared some 2 million years ago.

Among our probable ancestors, there is Homo antecessor in the Iberian peninsula and Homo erectus in Asia and Africa — but a variety of variants are starting to appear, some of which later led to archaic Homo sapiens and Neandertals.