Question

20.explain the differences between obligate aerobes, obligate anaerobes, and facultative anaerobes.

Explanation:

Obligate aerobes need oxygen to survive. Obligate anaerobes are harmed by oxygen. Facultative anaerobes can live with or without oxygen.

Answer:

Obligate aerobes require oxygen for growth and survival. Obligate anaerobes are poisoned by oxygen and grow only in its absence. Facultative anaerobes can grow with or without oxygen, using it when available but also able to ferment without it.