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Bioligy > Human Evolution > Flashcards

Flashcards in Human Evolution Deck (16):
1

When was ardi from

4.4 million years ago

2

When was Lucy from

3,2 million years ago

3

When was tarkana boy from

1.6 million years ago

4

What was unique about ardi's big toe

It was structured like an chimps for climbing

5

What was unique about ardi's limb lengths

Long arms and short legs like a chimp

6

What was unique about ardi's leg structure

Suggests he walked upright

7

What was unique about ardi's brain size

It was the size of a chimps

8

What was unique about ardi's hand bones

Their structure suggests she didn't use them for walking

9

What was unique about Lucy's brain size

It was larger than ardi's but not human size

10

What was unique about Lucy's limb lengths

Between that of a chimps and a humans

11

What was unique about Lucy's feet

Arched feet - more suited for walking than climbing

12

What was unique about leg structure

More suited to walking upright than ardi

13

What was unique about tarkana boy's brain size

Much larger brain size than Lucy

14

What was unique about tarkana boy's limb length

Long legs short arms like humans

15

What was unique about tarkana boy's leg structure

Suited for upright walking

16

How do these 3 Discovery's probe evolution

Prove adaptations they've made to slowly become the humans we are today