Which geometric shape is the best model for these cells?
a. a cube
b. a flat, round disk
c. a rectangular solid
d. a sphere with a large diameter

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

and after water is usually warmed by the sun the water temperature raises and then evaporates .