Which of the following is an example of physiological variation in organisms?

A.

Variation in blood pressure among individuals

B.

Variation in beak shape among finches

C.

Differences in fur color in rabbits

D.

Variation in leaf shape in plants

Correct answer is A

Physiological variation refers to differences in physiological traits or functions among individuals within a species. Blood pressure is a physiological parameter that can vary among individuals based on factors such as genetics, health conditions, lifestyle, and environmental influences. Physiological variation encompasses variations in functions, processes, and internal characteristics of organisms, such as metabolic rates, hormone levels, enzyme activities, blood parameters, and other physiological traits.