Carrying capacity is the number of organisms that can survive in a particular ecosystem.

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.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex