The pulmonary circulation involves movement of the blood to and from the

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Which of the following groups of animals shows this pattern of growth?

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The muscle cell fluid of an athlete was tested immediately after a 1 O m race and was found to contain a high concentration of lactic acid. Explain what could have caused this.

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Which of the following processes occurs in the second phase of meiosis?

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In which of the following multicellular organisms is-interdependence of cells maintained?

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The disadvantage of complexity of organisation in the higher organisms is that it leads to

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The organism at the organ level of organisation of life is

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The epidermis of a leaf is considered an example of a tissue because the cells

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The science of life is referred to as

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Which of the following features is used by chameleons to escape predation?

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The function of the drone in a colony of bees is to

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Which of the following structures is only formed during cell division in animal cells?

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