Prehistory Flashcards
Tetrapods evolved from bony fishes 390 Ma during the ___ period.
Devonian
Mammals evolved 225 Ma in the ___ period.
Triassic
Homo and Pan split roughly this long ago.
6 Ma
This human ancestor evolved 4 Ma.
Australopithecus
Primates likely evolved sometime in this period.
Cretaceous
Homo habilis, the first member of the genus, evolved this long ago, beginning the ___.
2.8 Ma, Stone Age
Homo sapiens evolved this long ago.
200,000 years ago
Homo heidelbergensis in Europe and west Asia evolved into ___, those in continental Asia became ___, and those in Africa became ___.
Homo neanderthalensis; Denisovans; Homo sapiens
The first hominin to control fire.
Homo erectus
Body and head lice split around this time, hinting at the origin of clothing
170,000 years ago
75,000 years ago, the ___ occurs, which may or may not have caused a genetic bottleneck in humans
Toba supereruption
64,000 years ago, the ___ replaced the ___ in Africa.
bow and arrow; atlatl
50,000 years ago, the first ___, used by ___.
needle; Denisovans
70,000 years ago, the first possible example of art created here.
Blombos Cave in South Africa
Neanderthals go extinct.
40,000 years ago