The perspective of behavior: what actions persist because they have been reinforced, or are driven by biological means?
Biodegradation is the chemical dissolution of materials by bacteria or other biological means.
The peoples they conquered just didn't have the biological means to cope.
It was a strategy to ensure long-term access from space via stable biological means.
Instead of the use of synthetic toxins, pest control is achieved by biological means.
He thinks you might find a biological means to give him a victory over the Ro- manans.
The embryos would need to develop in such artificial uteri until a large enough population existed to procreate by natural biological means.
This last point was vexing all plans to stimulate carbon drawdown by biological means.
Instead of direct chemical reactions, the capture could be done by biological means, accelerated with help of nuclear energy.
The designers were also encouraged to explore electronic or biological means of information storage and retrieval.