Curriculum
Course: HIA International — Grade 6
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Curriculum

HIA International — Grade 6

Unit 1: Cells and organisms

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Unit 2: States of matter, atoms and compounds

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Unit 3: The Solar System and energy

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Unit 4: Living organisms and classification

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Unit 5: Metals, non-metals, acids and alkalis

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Unit 6: Sound, the Earth and eclipses

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Unit 7: Microorganisms and food webs

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Unit 8: Chemical reactions

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Unit 9: Electricity and circuits

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Quiz

7.4 Microorganisms in food webs — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the ecosystem nutrient cycling diagram. What crucial ecological role do decomposers (bacteria and fungi) play in food webs?
Dr Dabour Hub Academy - figure 1
They break down dead organic matter and feces, recycling mineral ions (nitrogen, phosphorus) back into the soil for plants
They trap sunlight to make food for herbivorous animals
They consume living apex predators
They remove carbon dioxide from rocks
Part of Unit 7: Microorganisms and food webs — see every lesson and quiz in this unit.
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