18. Water potential is determined by which two major components? (A) Solute potential and gravity potential (B) Pressure potential and solute potential (C) Pressure potential and gravity potential (D) Osmotic potential and temperature

9. Which feature best distinguishes bryophytes from vascular plants with respect to life-cycle dominance? (A) Bryophytes possess a dominant sporophyte with vascular tissues (B) Bryophytes rely onon seeds for embryo nourishment (C) Bryophytes have a dominant gametophyte generation that supports a dependent sporophyte (D) Bryophytes exhibit equal dominance of both generations

18. Water potential is determined by which two major components?
(A) Solute potential and gravity potential
(B) Pressure potential and solute potential
(C) Pressure potential and gravity potential
(D) Osmotic potential and temperature

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