If there are five trophic levels, and at the bottom level (producers) 830,000 calories are available? How many calories are available to the top predator or top trophic level?

the answer is c

explanation:

this protocol describes a detailed procedure for intracellular flow cytometry staining.

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.