Protists can be either heterotrophs or autotrophs.
They have nuclei.
They can live anywhere.
They can reproduce sexually or asexually.
They are both multicellular and unicellular.
(Where's number 4?)
D is the answer to the question
Answer:
Fermentation
Explanation:
In the absence of oxygen, the cell uses a process called fermentation. Fermentation doesn't break the sugar down any further, it simply helps reset the system so that more sugar can be broken down.
Because aerobic respiration breaks the sugar all the way down, it releases much more energy than fermentation.
Hope this helps :)
Seven minus nine equals negative two