What are the constants (controlled variables)? Select all that apply. * 2
Number of daphnia
Heart rate of daphnia
Type of petri dish
Different concentrations of caffeine solution
Amount of liquid
✓ Type of microscope
Species of daphnia

Community maybe i’m not positive

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.