Meet Lucy!. Lucy is a fossil of Australopithecus afarensis (early form of human) that was discovered in 1974 in Ethiopia. Estimated to have lived about 3.2 million years ago!. What does Lucy tell us about the evolution of humans?.
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Lucy is a fossil of Australopithecus afarensis(early form of human) that was discovered in 1974 in Ethiopia.
Estimated to have lived about 3.2 million years ago!
The chicken is the closest living relative to the T-Rex dinosaur!
The Fossil Record
Geographic Distribution of Living Species
Homologous Body Structures
Similaritiesin Early Development
which is composed of
physical remains of organisms
common ancestral species
similar genesEvidence of Evolution
Oldest = F, Youngest = A
Do the layers support the idea that change has occurred over a long period of time?
Yes, water to desert conditions!
What might have happened from layer C to layer B?
We know how long it takes for radioactive carbon to decay. By identifying how much is left in a fossil, we can give it an age.
Ambulocetusnatansis the ancestor of the whale!