When bird chicks open their mouths the mother immediately finds this food and feeds them baby response is an example of?

Innate behavior is a behavior that is not learned, but is instead present at birth. It is a behavior that is programmed into the organism's DNA. In the case of the bird chicks, the behavior of opening their mouths when the mother comes near is an innate behavior. It is a behavior that the chicks are born with and do not need to learn.