With regard to iodine, which is hypertonic? [beaker/ tube] With regard to starch, which is hypertonic? [beaker/ tube]

Needs to be in within a few hours, please help

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated