For the following situations, determine whether there will be a net flow of water into the cell,
out of the cell, or equally in both directions. Also, label the solutions as hypertonic, hypotonic,
or isotonic.

10% salt
3% solute

2% salt solution
4% solute

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Which of the following is a testable hypotheses?