ADH controls how diluted or concentrated urine is by controlling the permeability of the collecting ducts to reabsorption of water. The antiduretic hormone(ADH) is secreted by the hypothalamus and pitutary glands. When there is less water in the blood, secretion of ADH increases and hence increasing reabsorption of water. This also applies vice versa.
So planarians' regenerative ability are powerful cells called pluripotent stem cells, which make up one-fifth of their bodies and can grow into every new body part. I hope this helped if you need more info about this let me know
Answer:
the answer to this question is C.. prokaryotic cells
Answer:
rhizoids are not part of a vascular plant