Which situation would most likely result i the greatest change in gene frequency in a population ?
a) a single individual leaves a large population
b) a large population loses a few individuals
c) a bird has two alleles for a certain feather color
d) a predator eats one phenotype rather than another for a year

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.

the eggs of the insects should be the first thing collected at the scene.

false