What does Homo refer to ?

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Use the key to identify the insect.

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Which part is the partially permeable membrane ?

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Which statement describes the effect of temperature on this reaction ?

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What are the names of regions 1, 2 and 3 ?

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What are the nitrates used to make ?

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Which nutrient would be in low levels in this diet ?

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How is transport in the plant affected ?

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Under which conditions will the dye move slowest ?

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What is the function of cell X ?

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What are the labelled structures ?

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Which reaction releases the greatest amount of energy ?

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Which one is placed in the uterus ?

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Which proportion of calves shows that the bull is pure-breeding for curved horns ?

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What has contributed to this increase ?

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Which of the following animals lives in the most polluted water ?

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EDUCASTLE