Human Evolution and Fossil Discovery

The transcript describes a significant discovery of fossilized remains, including neck vertebrae, ribs, an arm, backbone, pelvis, and parts of the legs. Although hands and feet were not found, the remains suggest a humanlike ancestor from 1.5 million years ago, with a brain size comparable to a modern 2-year-old child. This discovery represents a major advancement in understanding human evolution in Africa.

What parts of the fossil were discovered?

• Hands and feet

• Tail and wings

• Skull and teeth

• Neck vertebrae and ribs

What was the estimated height of the discovered individual?

• 4'8"

• 5'6"

• 6'0"

• 5'0"

How does the brain size of the discovered individual compare to modern humans?

• Similar to an adult

• Similar to a newborn

• Similar to a 2-year-old child

• Similar to a teenager

What makes this discovery significant in terms of human evolution?

• It had the largest brain size

• It is the best example of a humanlike ancestor from 1.5 million years ago

• It is the oldest known fossil

• It was found outside Africa

What is the estimated age of the discovered humanlike ancestor?

• 2 million years

• 1.5 million years

• 1 million years

• 500,000 years