8th Class Biology
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Organisms Show Variety in Cell Number, Shape and Size
. How Do Scientists Study Living Cells? Cells are very small, so most of them cannot…
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What is a Cell?
A cell is the basic structural unit of all living organisms. Just as bricks are the…
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CELL — STRUCTURE AND FUNCTIONS
Introduction to the Cell: 1. What is a Cell? A cell is the basic structural and…
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Nitrogen Fixation:
Nitrogen is very important for plants because it helps them grow and make proteins.Although nitrogen is…
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Food Preservation:
Food preservation means preventing food from spoiling.Food spoils mainly because of the growth of microorganisms. Signs…
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Harmful Microorganisms:
Not all microorganisms are useful. Some microorganisms are harmful and cause diseases in humans, animals, and…
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Microorganisms and Us:
Microorganisms play an important role in our daily lives.Some microorganisms are helpful (friendly), while others are…
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Where Do Microorganisms Live?
Microorganisms can be single-celled or multicellular. Types Based on Cells Microorganisms | |—— Single-celled…
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Microorganisms
Have you ever noticed tiny living things moving in water or soil?Water and soil contain many…
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Microorganisms: Friends and Foes
Introduction: Microorganisms are tiny living organisms that are so small they cannot be seen with the…
The Bio Brief 