Australopithecus aferensis
Australopithecus africanus
Homo sapiens
Homo erectus
Australopithecus aferensis
Australopithecus africanus
Homo sapiens
Homo erectus
Homo neanderthalensis
Homo habilis
Homo sapiens
Homo erectus
Homo neanderthalensis
Homo habilis
Homo sapiens
Homo erectus
Homo sapiens
Baboon
Lemur
Tarsier
Prosimians
Old world monkeys
Hominids
Gorillas
Prehensile tails
Walking upright
Opposable thumbs
Large brains
Homo erectus
Homo neanderthalensis
Homo habilis
Homo robustus
Homo erectus
Homo neanderthalensis
Homo habilis
Paranthropus boisei
Australopithecus and Homo
Africanus and habilis
Homo and sapiens
Australopithecus and Anthropida
Bipedal locomotion
Language
Art and imagination
Large brain
They only buried the heads of the dead.
Scavengers can carry off the smaller bones much more easily.
Skulls tend to look more like rocks.
Other hominids cannibalize their dead.
Help determine the relative age of the fossil
Keep the fossil from rotting
Provide visual context for where the fossil was found
Provide a keep-sake of the discovery
Fossilized bones
Endocasts of the brains
Molecular clocks
Written historical records
Embryos of very different organisms have very similar developmental stages.
A bats wing and a whales flipper have very similar bone structure.
Large, flightless birds are found on different continents: Australia (Emu), Africa (Ostrich), and Rhea (South America).
More primative fossils are found below more complex fossils in the rock layers.
Biogeography
Embriology
Paleontology
Oncology
Whale ancestors lived on land.
Whale ancestors did not evolve.
Whale ancestors lived 850 million years ago.
Whale ancestors ate opossums.
Homologous structure
Analogous structure
Vestigial structure
Fossil structure
Erasmus Darwin
Eugene Darwin
Carolus Linnaeus
Georges de Buffon
Evolution
Artificial selection
Uniformitarianism
Mutation
Only 6000 years old.
Only 2000 years old.
Less than 6000 years old.
Much more than 6000 years old.
Catastrophism
Uniformitarianism
Gradualism
Natural selection
Jean-Baptiste Lamarck
Carolus Linnaeus
Charles Darwin
Georges de Buffon
Variation
Adaptation
Homologous structure
Vestigial structure
Earlier ancestor.
Close relative.
Unrelated organism.
Embryological stage.
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