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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

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2 results for "Ardipithecus"

R_2_10 Verified Biology & Evolution

R_2_10 — Primate Evolution and the Hominid Lineage

The order Primates, originating ~65–80 million years ago, encompasses prosimians (lemurs, tarsiers), monkeys, and apes. The human lineage (Hominini) diverged from the chimpanzee lineage ~6–7 Mya, based on molecular clock

primate hominid hominini great ape human evolution bipedalism

R_2_08 Verified Biology & Evolution

R_2_08 — Bipedalism — Why We Walk Upright and What It Cost Us

Bipedalism — habitual upright walking on two legs — is the defining characteristic of the hominin lineage, predating brain enlargement, tool use, and language by millions of years. The earliest evidence comes from Sahela

bipedalism human evolution Sahelanthropus Ardipithecus Laetoli footprints savanna hypothesis

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