The average ages at which an individual displays certain abilities are known as

The average ages at which an individual displays certain abilities are known as developmental norms .

Developmental norms is a phrased used to describe milestones in development wherein an individual displays physical, social, emotion or intellectual learned patterns of behavior or abilities.

Explanation:

Learning to walk is a physical developmental norm.

Learning to speak or read is an intellectual developmental norm.

Learning to interact in a positive manner with people within one's peer group is a social developmental norm.

Learning to express emotions in a constructive manner (anger) is an emotional developmental norm.

the hyperactive and edgy feeling that comes when there is too much sugar in the blood stream. the actual amount of food that is eaten in a single meal. food with a high glycemic index is digested slowly.

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