Multiple choice

__________ bacteria lives in the lower intestine endotherms.

  1. Brucella

  2. Brucella canis

  3. Brucella melitensis

  4. Escherichia coli

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Escherichia coli is a Gram-negative rod-shaped bacterium that is commonly found in the lower intestine of warm-blooded organisms (endotherms). Most E. coli strains are harmless.