Review the many ways in which microbes process oxygen by completing each sentence. Then, please arrange the sentences in a logical order. 1. With respect to oxygen requirements, an can use gaseous oxygen and possesses enzymes to process toxic oxygen products.
2. Expanding on this classification, an aerobe cannot grow without oxygen.
3. Still other organisms, called , metabolize by aerobic respiration but can adapt to anaerobic environments.

a. Obliagte
b. Eukaryotes
c. Anaerobes
d. Aerobe