Single-celled organisms are tiny living beings made of just one cell. They include bacteria, protozoa and some algae. They perform all life functions within one cell and can be helpful or harmful.
Class 8 Science Curiosity Chapter 3 Health: The Ultimate Treasure NCERT solutions
Class 8 Science Grade 8 Chapter 3 Health: The Ultimate Treasure question answer
Single-celled organisms are microscopic creatures with only one cell. Despite their tiny size, they carry out all life activities like eating, moving and reproducing within that one cell. Examples include bacteria, protozoa and some types of algae. Some are helpful in digestion and making medicines, while others can cause diseases like typhoid or malaria. Studying these organisms helps us understand health, environment and biology better.
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