WAEC - Biology (2005 - No. 51)
Which of the following is an example of physiological variation?
Blood groups
Skin colour
Finger prints
Human height
Forklaring
Physiological variation refers to the differences in the ways individuals of the same species behave or react to conditions in their environment. In other words, it relates to the functioning of the body. Examples include; Behaviour, ability to roll the tongue, ability to taste a chemical substance called PTC, differences in Blood group etc