How Long Have Human-Like (Hominin) Species Been Present on Earth

Question

How long have human-like (hominin) species been present on Earth?
A) 6,000 years
B) 1 million years
C) 2 million years
D) over 6 million years

Accepted Answer

Human-like species, or hominins, have been present on Earth for over 6 million years. This timeline is supported by fossil evidence and evolutionary biology, indicating a long history of hominin development leading up to modern humans.