___traits determine how an organism acts on a regular basis

Acquired Trait

Explanation:

1.An acquired trait are the characteristics that are responsible for the production of the phenotypic characteristics that are the products of the environmental influences.

2.The acquired traits are not heritable traits that is they are not inherited by the parents from their offsprings.

3.The acquired traits are the traits which one attain from the environment.

4.For example, development of tanning on the skin due to excess sun exposure  and color of the hair.

it is stable as it is in group 0 which have full outer shells of electrons