Science Quiz - Microorganisms (Answers)
Let's explore the world of tiny beings with this exciting KS2 Science topic - microorganisms! They're super small, like bacteria, viruses, and some fungi, and you need a special microscope to see them.
Did you know microorganisms are everywhere, even in a cow's tummy and our own guts? If we weighed them, they'd be heavier than all other living things! Some microorganisms can make us sick, but others are really helpful. How can we kill bacteria? Are viruses alive? And guess what, fungi help us make yummy bread!
Test your microorganism knowledge with this fun KS2 Science quiz. How much do you know about these tiny living wonders?
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You can find more about this topic by visiting BBC Bitesize - What is a microorganism?
You can see colonies of microorganisms with the naked eye, but you would not be able to see a single microbe without a microscope
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Ants are insects
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Some microorganisms are so beneficial that life would not be possible without them. The bacteria living on the roots of plants allow the plants to get the nitrogen they need from the soil - and remember, all life on Earth is dependent on plants
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Fungi include single-celled microbes such as yeasts and moulds (including penicillium, which provides us with penicillin) as well as multicellular organisms such as mushrooms, which are not microorganisms
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Not all bacteria are bad - our bodies use some kinds to help us digest food
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Scientists are not agreed on whether viruses are even alive. Remember MRS. NERG? Viruses don't demonstrate all seven life processes. Viruses aren't sensitive (they don't respond to their environment) and they don't reproduce on their own (they take over another species' cells, causing them to reproduce viruses)
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It's been said that Jenner's work has saved more lives than that of anyone else
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Antibiotics cannot kill viruses - this is why doctors do not prescribe them for colds (which are caused by viruses)
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Fungi also help with decomposition
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Bread and wine both use yeast which is a fungi. Yoghurt uses bacteria
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