Depending on what you've been learning in bio so far, the glucose is used in a process called glycolysis, which basically turns the glucose into ATP (Energy) which the cell can use.
The skull size of each species!
It's the size of the skull specifically the jaw bones, that can help determine relationships of two hominid species.
Hope this helps!
El principal marina son tiburones y los rayos, pescado, y <span>pulpo.
I speak English so I'm not sure if I am correct, but...
</span>Espero que esto ayude!
Carbon cycle and fossil fuels, I believe.