Vertebrates do not have an exoskeleton they have backbones
Over a tropical land region
Hope this helps :)
Answer: corals, crabs, oysters and urchins
Explanation:
Of or relating to genes or heredity.
"all the cells in the body contain the same genetic information"
Diffusion is the random movement of molecules or particles from a region of high concentration to a region of low concentration bringing a natural flow in the system. Diffusion ensures that there is a state of equilibrium in the number of molecules in the system.