Page 43 - SK Year 6 Science DLP
P. 43
MICROORGANISMS
MIKROORGANISMA
Decomposition of organic materials
Microorganisms will decompose Bacteria are used to treat sewage and
chicken, cow or goat faeces. When destroy toxic wastes found in sewage
these materials are mixed with treatment plants.
sawdust, they would decay and
form organic fertilisers.
Aside from the harmful effects, there
are microorganisms that provide Explain the importance of
benefits to other living things. microorganisms in your
These beneficial microorganisms daily life.
are used in food manufacturing,
production of antibiotics and vaccines,
HOTS
decomposition and decay of organic HOTS
materials, making fertilisers, and
Predict what happens if
sewage treatment for the well-being dead living things do not
of humans.
decay.
CLICK
Lactobacillus is a good bacterium used in making yoghurt.
Lactobacillus also lives in the human intestine to break
down carbohydrates so that food is easily digested and to
prevent diarrhea.
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