Human Evolution Flashcards
When was ardi from
4.4 million years ago
When was Lucy from
3,2 million years ago
When was tarkana boy from
1.6 million years ago
What was unique about ardi’s big toe
It was structured like an chimps for climbing
What was unique about ardi’s limb lengths
Long arms and short legs like a chimp
What was unique about ardi’s leg structure
Suggests he walked upright
What was unique about ardi’s brain size
It was the size of a chimps
What was unique about ardi’s hand bones
Their structure suggests she didn’t use them for walking
What was unique about Lucy’s brain size
It was larger than ardi’s but not human size
What was unique about Lucy’s limb lengths
Between that of a chimps and a humans
What was unique about Lucy’s feet
Arched feet - more suited for walking than climbing
What was unique about leg structure
More suited to walking upright than ardi
What was unique about tarkana boy’s brain size
Much larger brain size than Lucy
What was unique about tarkana boy’s limb length
Long legs short arms like humans
What was unique about tarkana boy’s leg structure
Suited for upright walking
