Final answer:
The Nariokotome Boy is a 1.6 million-year-old specimen of Homo ergaster, believed to represent a 12-year-old boy. He had an estimated adult height of 5 feet 10 inches and a cranial capacity of 900 cc. Despite his age, the Nariokotome Boy appears modern in appearance.
Step-by-step explanation:
The Nariokotome Boy is a specimen of Homo ergaster, believed to be the remains of a boy who was about 12 years old at the time of death. He was discovered near Lake Turkana in Kenya and is dated to approximately 1.6 million years old. This boy had an estimated adult height of 5 feet 10 inches and a cranial capacity of 900 cc. Despite being ancient, the Nariokotome Boy looks remarkably modern in appearance.