Each level of the food chain is a trophic level. hope this helps and i'm not too late!
I believe the best choice will be option 3
Answer:
A. a synthetic version of the hormone testosterone
Explanation:
According to www.drugabuse.gov, ""Anabolic" refers to muscle building, and "androgenic" refers to increased male sex characteristics."
When on the synthetic version of testosterone, the body gains a lot of muscle mass. A good way to see the changes brought on by testosterone are looking at before and after photos of FtM patients.