Which type of ecological pryramid gives the mass of living materials at each trophic level?

Biomass pyramid

Explanation:

Biomass pyramid is a pyramid that describes the total weight or dry mass of living organisms from each trophic level in an ecosystem within a certain time.

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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.

not always but somethings can be reproduced in a laboratory.