Definitely the phytoplankton since it provides the bulk of Earth’s oxygen production. Oxygen only exists because the ecosystem replenishes it. If all oxygen production stopped it would only take a few thousand years to deplete completely. Oxygen binds quickly with everything around it.
How come you can still read that…? I deleted it. Because I too remembered phytoplankton is not in the animal kingdom, and haven’t thought of a better answer yet.
deleted by creator
Definitely the phytoplankton since it provides the bulk of Earth’s oxygen production. Oxygen only exists because the ecosystem replenishes it. If all oxygen production stopped it would only take a few thousand years to deplete completely. Oxygen binds quickly with everything around it.
It’s true, but Phytoplankton is not an animal.
How come you can still read that…? I deleted it. Because I too remembered phytoplankton is not in the animal kingdom, and haven’t thought of a better answer yet.
I wonder if its a federation thing…
Real answer here