[z3n]

1 His fur while ice ages were happening [CLOTHING]
2 Nearly all of his night visiion while surrounded by large carnivores that could all see quite nicely in the dark [SHELTER (at night)]
3 Nearly all of his sense of smell while trying to make it as a land prey animal [TRAPS & WEAPONS]
4 Nearly all of his musculature, in an age when muscle mattered [TOOLS]

[ganeemead]

"1 His fur while ice ages were happening [CLOTHING]"

Hominids did not wear clothing; with thick fur, they did not need clothing. So how did they get from that to no fur and having to have needles and thread???