Page 256 - New Medley 4 Semester 1

2 • Understanding

Name two diseases caused by these microbes.

1. Bacteria
2. Viruses

3. Protozoa

AT ONE GO

m Microbes are tiny organisms. They are found everywhere.
m Bacteria, viruses, protozoa and fungi are four types of microbes.

m Some microbes are useful while some are harmful.
m We can protect ourselves against germs by keeping our bodies and surroundings clean.

m There are many ways to protect our food from microbes.

REMEMBER THESE TERMS

Organism : A living being
Airtight : Not letting air to enter or go through
Decaying : Rotting

Microbes : Tiny organisms that can be seen only under a microscope
Protozoa : Single-celled microscopic animals
Fungi : Microscopic plants that do not have chlorophyll

Check Your Study

A. Tick () the correct answers.

1. This is not a microbe.
(a) Fungi (b) Bacteria

(c) Virus (d) Ant
2. A disease caused by protozoa is

(a) dysentery (b) tetanus

(c) jaundice (d) cholera

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