State of equal concentration of a molecule, such as on both sides of the cell membrane. A. concentration gradient
B. diffusion
C. equilibrium
D. passive transport

idk

explanation:

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

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.

thinking it would be physical characteristics