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

4.3 What is a species? — Visual & Photo Quiz

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  • Questions count: 1
  • Passing grade: B+
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1.
Look at the photographs showing a horse, a donkey, and their hybrid offspring (a mule). Why are horses and donkeys classified as two distinct biological species?
Dr Dabour Hub Academy - figure 1
Although they can interbreed, their offspring (the mule) is sterile and cannot produce fertile offspring
They have identical DNA sequences and chromosome counts
Donkeys live only in water while horses live on land
They eat completely different categories of food
Part of Unit 4: Living organisms and classification — see every lesson and quiz in this unit.
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