If a lake never turns over what happens to the surface dwelling organisms

If water in the lake never turns over, the surface dwelling organisms will have a reduce food supply. Most wildlife in the basin especially fish spend their entire life cycle in or near the lakes so they are the most affected. In addition, a lake is a body of fresh water surrounded by land and drained by rivers and streams.

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.

uh two lol