Frances Morgan

Biology

27 November, 17:09

1. If a single-celled saltwater organism is placed in freshwater, it will not be able to survive. Which statement explains why this is true?

A. The organism's cell will absorb too much water through osmosis.

B. The organism's cell will release too many hydrogen ions through diffusion.

C. The organism's cell will release too much water through facilitated diffusion.

D. The organism's cell will absorb too many sodium ions through osmosis.

2. Which must be true of any scientific hypothesis?

A must be testable

B must undergo peer review

C must be approved by professionals

D must be proven correct by research