Answer:
On the X (horizontal) axis
Theeee anssswwweeerrrr issss (C) forrrrr yourrrrr queessttiioooonnnn
A cell is the smallest LIVING unit in a body. An atom is the smallest "nonliving" unit.
The ultimate source of energy is sunlight, and living things must break the sunlight down using their own methods to use it.
I think the answer is lizards