Question

Facultative anaerobes definition.

Answer 1

They normally respire aerobically.
If their is deficiency of oxygen they can also capable of switching over to anaerobic mode of respiration to get energy fir their survival.
Examples of Fucultative anaerobe is Pseudomonas.

Answer 2

$<i><font face=Copper black size=4>Hello guys!$

$<i><font face=Copper black size=4>Please Mark Me As Brainlist and Follow me.$

$<b><i><font face=Lucida Calligraphy size=5 >Answer is</b> A <b>facultative anaerobe</b> is an organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation if oxygen is absent.$