Which statement best compares photosynthesis and cellular respiration? A. both photosynthesis and cellular respiration take place during the light and during the dark
B. Both photosynthesis and cellular respiration break down sugars to release chemical energy
C. photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark
D. photosynthesis breaks down sugars to release energy, while cellular respiration stores energy as sugars

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos