Biology
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MANAGING THE GARBAGE WE PRODUCE
What is Garbage? Garbage is the waste material that we throw away in our daily life.…
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HOW DO OUR ACTIVITIES AFFECT THE ENVIRONMENT?
Human beings are an important part of the environment. Many human activities cause pollution and environmental…
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FOOD CHAINS AND FOOD WEBS
What is a Food Chain? A food chain is a sequence of organisms in which one…
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ECOSYSTEM — WHAT ARE ITS COMPONENTS?
What is an Ecosystem? All living organisms like plants, animals, microorganisms, and human beings interact with…
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Our environment
Introduction: We often hear the word environment in our daily life—on television, in newspapers, and from…
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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…