marco and natalia, two curious students, are interested in what happens in a plant seed very early in germination - before anything turns green. they put seeds dehydrated in a dark sealed container and measure (a) the amount of lipids and carbohydrates in the seed and (b) the amount of oxygen and co2 in the headspace (see the experimental setup below). they add water to initiate germination. very early after adding water they remeasure (a) and (b) from above. their data is displayed in the charts below.