The students decide that for one of their experiments, they want to see whether the organisms can photosynthesize. Which of the following is the best hypothesis?
A) If the Dinobryon can live > 5 days without added food, they must be able to photosynthesize.
B) If the Dinobryon can live without exposure to light for > 5 days, they must be able to photosynthesize.
C) If the Dinobryon photosynthesize, they must need no other minerals or nutrients and will be able to live in distilled water and light alone.
D) If the Dinobryon are kept in the dark, one-half will be expected to die in 5 days.
E) If the Dinobryon are able to photosynthesize, the students should be able to extract photosynthetic pigments.
Answer: E