Question

biotechnology works on which level

Answer 1

Biotechnology works on substance level. As it varies the DNA and working of cells and thus results in the formation of new or improved substances. So this works on substance level, from which new organisms are produced. 

Answer 2

Explanation:

Biotechnology (commonly abbreviated as biotech) is the broad area of biology involving living systems and organisms to develop or make products, or "any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use" (UN Convention on Biological Diversity, Art. 2).