Final answer:
Fungi cause three different types of human illness: poisonings, parasitic infections, and allergies.
Step-by-step explanation:
Fungi are simple eukaryotic organisms that cause three different types of human illness: poisonings, parasitic infections, and allergies. Many poisonous mushrooms are eaten by mistake because they look like edible mushrooms. Parasitic yeasts cause diseases like candidiasis, ringworm, and athlete's foot. Mold allergies are also very common.