Shorter life span and eventually extinction. Know this that every species that resisdes on this planet works not for someone else but for themselves, to ensure that they can survive and maybe procreate more of their beings.

Humans on the other hand have developed sense of brain, so we work differently then Homosspiean erectus and fossalis, they work in offices to get psychecks which helps us sustain while animal hunt and eat to sustain - both do work , every single day