The structure shared between the male reproductive system is the

The penis and the urethra are part of the uninary and reproductive system. The scrotum, the testes, the vas deferens, the seminal vesicles and the prostate are part of the reproductive system

Don't know if I answered your question

Hope I did

the answer would be roots! roots are the parts of the plant that are underground, and that's how they'd anchor the plant. the stem is above the sol, which doesn't with anchoring. hope this !