Which of the following words best matches this definition: The process in which the best-adapted organisms survive and pass on their traits, while those that are NOT well-adapted do not survive to pass on their traits.

Question 9 options:

Variation

Artificial Selection

Natural Selection

what image you forgot to include it.

it would be c. xylem.

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.