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Plants use carbon dioxide to make hydrocarbons and release oxygen.Animals (and decomposers) consume hydrocarbons and oxygen and release carbon dioxide.
Quote from: CliffordK on 10/11/2011 23:09:13Plants use carbon dioxide to make hydrocarbons and release oxygen.Animals (and decomposers) consume hydrocarbons and oxygen and release carbon dioxide.A bit of a nit-pick, but they make carbohydrates, not hydrocarbons; those two chemical classes have important differences in properties.
whoa!, can i get proteinized from eating carbohydrates & swallwoing N air?
The atmosphere is 78% Nitrogen and only 21% oxygen. So why is it that animals have evolved to breath oxygen, when there is more nitrogen to be had? There are some tree's that fix nitrogen through their roots, but are there any animals that are nitrogen dependent?
While 5-yr-olds wish we could consume just candy...We consume all the products in the plants... at least those parts that we eat, and derive energy from many of the plant constituents.As well as consuming the products produced by animals that feed on plants.Chlorophyll and the light dependent reactions catalyzes the production of ATP.The Calvin Cycle. or the Light independent reactions produces Glyceraldehyde 3-phosphate (G3P) and 3-phosphoglycerate (3PG) Some G3P is used to make fructose & other sugars.However, it is also an intermediary in making a whole bunch of other stuff.See the red compound in the middle of this chart