Answer:
Step-by-step explanation:
Bacteria is classified into 5 different groups basically on their shapes which are spherical, rod, spiral, vibrios and corkscrew
A) Requires oxygen, but is toxic at atmospheric concentrations
Microaerophile
B) Can use oxygen for growth or can grow without it
Facultative anaerobe
C) In fluid thitoglycollate medium, shows growth only at the top area of the medium
Obligate aerobe
D) Oxygen is completely toxic to it
Obligate anaerobe