Well, well, well.... 

 Even the teensiest forms of life depend on plants and not just for food

Check it out for yourself.

Click here after you do the experiment 

sugar  +  oxygen 

energy  +  water  +

oxygen

carbon dioxide

Try again!
Tell me the story of the Carbon Cycle
plant-story
plant-story

press to zoom
animal-story
animal-story

press to zoom
industry-story
industry-story

press to zoom
plant-story
plant-story

press to zoom
1/4
Find the 
carbon dioxide 
in the atmosphere
Try again!