Chlorophyll is a naturally occurring chelate compound in which central metal is
a. copper
b. magnesium
c. iron
d. calcium

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

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.

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation: