How to use "biological" in a sentence

"Strictly biological weapons?"

got out of the chemical and biological weapons race a long time ago."

Lots of people out there in the rest of the world - they believe in chemical and biological warfare

"I'm not interested in the philosophy or morality of biological warfare," Tina said

It was around then that a Chinese scientist named Li Chen defected to the United States, carrying a diskette record of China's most important and dangerous new biological weapon in a decade

"And Wuhan-400 has other, equally important advantages over most biological agents