Harmful effects of Microorganisms - Grade 09 Science | Unit 01| Live Class Recording

Описание

Micro-organisms in the 1st lesson of grade 9 science and online classroom recording of the same are published herewith for the student's convenience.
Introduction to the lesson,
Micro-organisms live in our environment as well as in our bodies.
Most micro-organisms are favorable to humans and other living beings, but some
are harmful.
Micro-organisms are a very widespread and common species category of living
organisms on Earth. They are a group of living organisms with a simple structure.
They grow fast and have a high rate of reproduction.
Micro-organisms have the ability to adapt to different environmental conditions
and modes of nutrition.
Unicellular and some multicellular organisms can be seen in
micro-organism category.
These micro-organisms can be categorized into groups as bacteria, fungi, algae, and
protozoa. Viruses which are a group in between the living and non-living are also
studied under micro-organisms.

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