Answer:

Virus

=are very tiny microorganisms that are only able to multiply inside a living cell.

Fungi

=are multi-celled microorganisms that cannot survive in soil, or air. They need a living organism like plants or animals to get enough nutrition.

Bacteria

= are small, one cell, living microorganisms found in soil, food, animals and insicts. Bacteria can grow and multiply using the nutrients found in its environment.

Parasites

= are organisms that need a living body to reproduce, snatching nutrients for its own growth.

Explanation:

Virus - some examples of viral infections are common colds, flu, measles, (tigdas), dengue fever, hepatitis and corona virus.

Fungi=example of fungal infections is athletes foot, recognize by the smelly and itchy rash in between the toes.

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