midterm 3 Flashcards
Homo habilis
Early human species, known as ‘Handy-man’
Homo rudolfensis
Another species within early genus Homo
Cranial Capacity
Benchmark of 600 cc for early Homo members
Olduvai Gorge
Key archaeological site in Tanzania, East Africa
Leakys
Famous family of paleoanthropologists in Africa
Homo Naledi
Species discovered in Rising Star Cave, South Africa
Olduwan Industry
Earliest known stone tool culture
Core tools
Basic stone tools used by early humans
taphonomy
study of processes affecting fossilization
Microwear patterns
scratches on bones indicating tool use
C3 plants
Plants that utilize the C3 carbon fixation pathway
C4 grasses
Plants like rice, adapted to hot environment
Stratigraphy
Study of rock layers and their historical significance
Superposition
Older layers are found beneath younger layers
Absolute dating
Determines exact age in years of fossils
Relative Dating
estimates age based on surrounding materials
Potassium-argon dating
Measures radioactive decay of potassium isotopes
Carbon 14 dating
Dating method for organic materials, unstable with half life of 5730 years
Biostratigraphy
Relative dating based on fossil species distribution
Piltdown Man
Famous archaeological hoax involving human skull fragments
Java Man
Early human fossil discovered in Indonesia
Pithecanthropus erectus
Former name for Java Man, meaning ‘ape man’
Homo erectus
First hominin to migrate out of Africa
Nariokotome Boy
Complete skeleton of a young Homo erectus