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They produce oxygen during photosynthesis.
Laurence Aufderhar
Wiki User
∙ 13y agoThe planktons make oxygen because it breaths CO2. CO2 is 1 carbon atom and 2 oxygen atoms. So when the planktons get the CO2, it gets ONLY the carbon atom and leaves the oxygen atoms as a form as waste. The waste of the plankton is the benifeit of the animals on earth.
Wiki User
∙ 14y agoYes and plants are the other 50%.
Wiki User
∙ 15y ago90% of the air on earth
Wiki User
∙ 15y agoyes indeed
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Do plants give out oxygen?
I think when they receive carbon dioxide
How much oxygen do trees give off?
2%
How do flowers use to give off oxygen?
no they dont give off oxygen
Do evergreen tree give off oxygen?
Evergreen trees do give off oxygen. They give off less oxygen than deciduous trees do in the summer, but they do release oxygen all year.
Do flowers give off oxygen?
Flowers do not give out oxygen, the green parts of a plant give out oxygen when the are engaged in photosynthesis.
Which living things give off oxygen?
Most leafy plants and trees give off oxygen
Cyanobacteria give off what?
Oxygen Bro Oxygen
How much oxygen plants give off per day?
a tree gives off 260 pounds per year.
What is it that Plants and animals take in and then give off?
Plants take in carbon dioxide and give off oxygen Animals take in oxygen and give off carbon dioxide
Why is it important that plants give off oxygen during photosynthesis?
Why is it important that plants give off oxygen during photosynthesis
What kind of bug is plankton off of spongebob?
Plankton is a plankton.
What plant give off?
nobody knows
