Environmental science is the study of interactions among physical, chemical, and biological components of the environment.

The scientists have refused to disclose the biological components of the immunizations.

"No, but the biological components make rapid expansion and scaling possible."

Certainly the biological component of the scene was a critical part of one's regard for it.

This information is pertinent to determining the biological and physiological components of pain in the bone.

In a planetary ecosystem, plant life is an essential biological component.

You've got several biological components and I'm picking up a disturbing break- down in functions.

"What if the artificial and biological components were bonded at the genetic level?"

Many others don't go that far, but accept that there is probably some biological component.

This finding implies that the association is not solely social or cultural, but rather has a strong biological component.