fossil evidence for human evolution Flashcards
what fossils are founder deeper in the ground
older fossils
what fossils are more complex
newer fossils
what technique is used to estimate when a fossil was formed
carbon dating
what are the human fossils in order
1) Ardi
2) Lucy
3) Homo Habilis
4) Homo Erectus
how is ardi evidence for natural selection and evolution
resembles between an ape and a human shows natural selection and evolution happened gradually
features of ardi
long big toes that stick out allowing her to climb trees
very long arms
features of lucy
bones structure suggests she could walk upright
features of homo habilis (founded by the leakeys)
quite short
long arms
walked upright
features of homo erectus
quite tall
strongly built
what else did louis and mary leakey find that supported natural selection
fossils that contained remnants of stone tools