Which of the following is not a continuous variation?
Answer Details
Continuous variation refers to the variation in which a trait can take any value within a range, with no distinct categories.
Therefore, the characteristic that is not an example of continuous variation is the "ability to roll tongue," since this is a discrete trait that can be either present or absent, with no intermediate values.
In contrast, height, skin color, finger length, and leaf size are all traits that can vary continuously within a population.