What molecule do bacteria take in (use up)? Oxygen
Carbon Dioxide
Water

(This is 7th grade science)

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

What controls activities within a eukaryotic cell?

To be or not to be that is da question