Strep throat food poisoning and anthrax are all diseases caused by the following
a. fungi
b. virus
c. protist
d. bacteria

The correct answer is D.

Streptococcus pyogens is the bacteria responsible for causing sore throat. It produces  some toxins called streptolysins. These toxins destroy red blood cells and  can cause severe disease and even toxic shock.

Food poisoning is caused by bacteria. The most commonly implicated ones are Bacillus cereus, Campylobacter jejuni, Clostridium botulinum and Clostridium perfringens.

Anthrax is also caused by a bacteria known as Bacillus anthracis. This bacteria produces toxins that cause severe disease. It is usually transmitted from infected animals and animal products.

b is dominant over the allele for the white fur.