Organisms may contain up to 5 levels of organization within their bodies. which level of organization is shown by the liver

red color of the tomato due to the lycopene pigment in chromoplast, and the sunflower plastid is chromoplast

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.