When the effect of one factor depends on the presence of another factor,outcomes are said to reflect

A) an epigenetic mark.
B) an interaction.
C) natural selection.
D) adaptive flexibility.

Epigenetic Mark

A chemical modification to DNA or histone proteins that affects gene expression without altering the DNA sequence itself.

Interaction

The process by which two or more entities or phenomena act upon and influence each other.

Natural Selection

The mechanism where organisms that are more suitably adapted to their surroundings are more likely to flourish and reproduce, serving as a crucial driver of evolutionary change.