Cells of different species, when observed in nutrient solutions, are seen to divide varying numbers of times, with cells of the most long-lived species dividing more times than the cells of short-lived species. the total number of divisions for any given species is sometimes referred to as
a. species replicability b. the shock limit c. the dividing limit d. the hayflick limit

Option (D)

Explanation:

Hayflick limit also known as or referred to as Hayflick phenomenon is known as no. of times a human cell population tends to divide before the cell division will stop. This concept or idea of Hayflick limit was further advanced or worked on by the American anatomist named Leonard Hayflick in the year 1961, at  Wistar Institute in the city of Philadelphia.