WhiWhich of the following statements about traits is true? A. All organisms within a population will have the sametraits.
B. A trait that is helpful in one environment will benefit organisms in all environments.
C. Organisms with helpful traits are more likely to survive and pass those traits on to their offspring.
D. An organism cannot have traits that would help it survive in environmental conditions that are different from the conditions of its habitat.

C

Explanation:

Survival of the fittest

I believe the correct answer is

C. Organisms with helpful traits are more likely to survive and pass those traits on to their offspring.

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.