oxygen
respiration
photosynthesis
aquatic plant
solution
control
carbon dioxide
a liquid mixture
a colorless, oderless gas produced by photosynthesis
something used in an experiment or study to provide a check on results
a colorless, oderless gas produced by respiration
a plant that lives in water
the process by which green plants use sunlight, water and carbon dioxide to make food
the process by which organisms produce energy from oxygen
