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Miocene
Bipedalism
Pliocene
Fossilization
Geologic
Chronology
100
This early ape is estimated to have weighed ~300 kg
Who is Gigantopithecus
100
Curvature of the spine found only in bipeds
What is Lumbar Lordosis
100
Discovered by Tim White, this hominin is dated to 4.4 mya
Who is Ardipithecus ramidus
100
Fossilization in which all organic material is replaced with inorganic carbon
What is Carbonization
100
The age of the Earth
What is 4.6 billion years
200
Possibly the earliest human ancestor
Who is Sahelanthropus tchadensis
200
Bone characterized as shorter and wider than nonhuman primates with flaring ilia
What is the Pelvis
200
Discovered by Don Johansen, this hominin is associated with the Laetoli footprints
Who is Australopithecus afarensis
200
Seen mainly among marine organisms, this type of fossilization changes aragonite into calcite
What is Recrystallization
200
Epoch also known as the "planet of the apes" dating to 23-5.3 mya
What is the Miocene
300
Believed to be an ancestor of modern orangutans
Who is Sivapithecus
300
This acts as a springboard or rubber band when walking
What is the Longitudinal Arch
300
Discovered by Meave Leakey, this hominin is dated to 4.2 - 3.9 mya
Who is Australopithecus anamensis
300
Fossilization in which minerals fill in the gaps and pores that were already present
What is Permineralization
300
The Era in which we live
What is the Cenozoic
400
Hominin discovered by Pickford and Senut in Kenya
Who is Orrorin tugenensis
400
This causes us to be knock-kneed
What is the Valgus Knee
400
This hominin, dated to 3.5-2 mya, is characterized by an increased cranial capacity as well as an adducted toe and is found in South Africa
Who is Australopithecus africanus
400
Molecule by molecule, the organism is replaced by a new rock element
What is Replacement Mineralization
400
The epoch dating 56-34 mya that features the appearance of Euprimates
What is the Eocene
500
Possibly the earliest ape species
Who is Proconsul
500
This allows for weight to be distributed in the foot differently in order to increase stride length
What is Adducted Toe
500
This hominin's name translates to "flat faced man of Kenya"
Who is Kenyanthropus platyops
500
If an organism is fully fossilized, this material cannot be extracted from said fossil
What is DNA
500
This is the Eon in which we currently reside
What is the Phanerozoic