Its for growth and to replace worn out cells
This question is unfortunately incomplete. However, the general skull features of <em>H</em><span><em>omo heidelbergensis </em></span>include large brow ridges, a broad, sloping forehead and a rear skull wall that is vertical rather than rounded or sloping.
Answer:
The biological species concept defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance. Although appearance is helpful in identifying species, it does not define species. ... Organisms may look different and yet be the same species.
When entering the stomach, the food is broken down and the nutrients are absorbed by the body to provide energy and nourishment. The rest of what's left gets discarded out of your body.