Evolutionary Sequence Diagram
Wikimedia Commons: Human evolution scheme showing major transitions
Summary Table (NEET-Critical Data)
| Species | Time (mya) | Brain (cc) | Key Feature | Tools/Abilities |
|---|---|---|---|---|
| Dryopithecus | ~15 | 300-400 | Ape-like, arboreal, prognathous | None |
| Ramapithecus | ~14 | 300-400 | More erect, human-like teeth | None confirmed |
| Australopithecus | ~5 | 400-500 | First biped, hunted with stones | Crude stone weapons |
| Homo habilis | ~2 | 600-700 | First tool-maker ("Handy man") | Oldowan stone tools |
| Homo erectus | ~1.5 | 800-1100 | First fire user, upright posture | Acheulean axes, fire |
| H. sapiens neanderthalensis | ~0.1 | ~1400 | Cold-adapted, buried dead | Sophisticated tools |
| H. sapiens sapiens | ~0.2 | 1300-1400 | Art, language, agriculture | Advanced technology |
Brain Volume Progression Visual
Dryopithecus 300 cc ████░░░░░░░░░░
Australopith. 450 cc █████░░░░░░░░░
Homo habilis 650 cc ███████░░░░░░░
Homo erectus 950 cc ██████████░░░░
Homo sapiens 1350 cc ██████████████
Mnemonic
"Don't Rush, Australians Have Eaten Sausages" D = Dryopithecus | R = Ramapithecus | A = Australopithecus | H = Homo habilis | E = (H.) Erectus | S = (H.) Sapiens