Question

which phrase best defines biotechnology?
the practice of using technology in science experiments
the use of technology to solve medical problems in living organisms
the science that involves using living organisms to produce needed materials

Explanation:

Biotechnology centers on leveraging living organisms, their parts, or biological processes to create useful products, materials, or technologies. The first option is too broad (applies to all tech in science), the second is limited only to medical applications, while the third captures the core, general definition.

Answer:

the science that involves using living organisms to produce needed materials