UNIT 1 : MICROORGANISM （1）

Lesson 1:The Unseen Life 

1.Microorganism 微生物 - the tiny living things that

can only be seen through a microscope



 

this is a microscope 显微镜

2.Microorganism can breathe, move and grow

 

3.There are different type of microorganism:

a. virus 病毒

  

                                                     - the thiniest microorganism

                                                     - living in some bacteria, fungi,

                                                        protozoa, animals, plants, human

 

 



b. protozoa 原生动物

                                                           - found mainly in ponds,

                                                              lakes, rivers

 

 

c. fungi 真菌

 - yeast is an example of fungi.

it is used in making bread

 

 

d. bacteria 细菌

 

                                                      - it can be placed on the small

                                                         area such as human's fingernail