Which statement would least likely be used to describe variation?
O Variations are inherited differences between individuals of the same species.
O Variations that decrease reproductive success are more likely to be passed on.
O Variations may result in changes to an entire population after many generations.
O Variations provide some individuals with an advantage.

B.  Variations that decrease reproductive success are more likely to be passed on

Explanation:

Sorry if its wrong

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.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse