Mineral salts can be absorbed into roots by

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The hygrometer is used for measuring

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Examples of animals with mammary glands include the following except

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Blood circulation in a mammal is said to be double because

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The hormones secreted by pancreas serves to

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Physiological adaptation to very dry conditions in animal demonstrates

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The four classes of cnidarian include the following except

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How many days does is used for incubation of an egg to release chick

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An organism which exhibit extracellular digestion is

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What it the function of contractile vacuole in paramecium

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A pollutant that is mostly associated with acid rain is

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The function of pith in plant is

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