Final answer:
Biological food hazards are pathogens and toxins that can contaminate food and cause illness. Examples include Salmonella, Norovirus, Clostridium botulinum, aflatoxin, and poisonous mushrooms.
Step-by-step explanation:
Foodborne illness, also known as food poisoning, refers to illnesses resulting from the consumption of contaminated food. Biological food hazards include pathogens and toxins that can contaminate food and cause illness. Pathogens include bacteria, viruses, and parasites, while toxins can come from microorganisms in food or occur naturally in certain plants and fungi. Examples of biological food hazards include Salmonella, Norovirus, Clostridium botulinum, aflatoxin, and poisonous mushrooms.