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Oxygen, and lots of it.

They do this through the process of photosynthesis.

Using CO2, Sun Energy, and H2O are combined to make Glucose and Oxygen.

Oxygen.


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15y ago

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Related Questions

Where do phytoplankton get energy to produce for other organisms?

Phytoplankton are photosynthetic organisms. They get their energy from sunlight.


What do phytoplankton and algae produce?

sorry for that comment that was my friend


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Does krill produce oxygen?

Krill primarily consume phytoplankton and do not produce oxygen in a significant amount. The oxygen produced by marine organisms mainly comes from photosynthetic organisms like phytoplankton and seaweed.


Autotroph is to heterotroph as phytoplankton is to what?

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What eats phytoplankton?

Some examples of what eat phytoplankton include sea stars, shrimp, snails, whales, small fish, zooplankton, and jellyfish.


Is it true when phytoplankton use sunlight to produce food?

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Do zooplankton eat clam?

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What is the main producer of the upper layers of the ocean?

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What do Phytoplankton and plants produce to the atmosphere?

oxygen!!!!!! phytoplankton produces about 80% of the worlds oxygen! if they die we die!of course trees will back us up but there is not enough trees for the whole world to share oxygen. if the phytoplankton die, with trees, our death will slowly take effect! in days we will all be taking in shorter breaths and eventually die!