The Science of Human Evolution by John H. Langdon

The Science of Human Evolution by John H. Langdon

Author:John H. Langdon
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham


Date

Paleoenvironment wetter

Paleoenvironment drier

Evidence

Hominin evolution, first appearance

3.5–3.3 Ma

Increasing aridity

Carbon isotopes of paleosols

Australopithecus afarensis present

High diversity of bovid species

3.3–3.0 Ma

Higher rainfall, cooler

Pollen

Australopithecus afarensis present

High diversity of bovid species

Carbon isotopes of paleosols

Oldest known tools (3.3 Ma)

Bovid species

2.8 Ma

Increasing aridity

Oceanic dust deposits (West Africa)

Increase in open habitats

Bovid species



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