Hydrostatic skeleton is the type of supporting system found in

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When bacteria swim from cold to warm regions this is known as

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Excess water in plants is excreted as water vapour and droplets respectively through

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The urinary tubules of the kidney function through

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A test tube containing yeast in glucose solution containing alkaline pyrogallol. The bubbles of carbon (IV) oxide produced indicates that the yeast cells are

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The mammalian lung is made air tight by the

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The function of the fluid – filled pericadium is to

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The only vein that carriers pure oxygenated blood is the

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In the root vascular system, the stele is directly surrounded by the

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The main function of the caudal fin in Tilapia is to

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The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the

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The blackfly is a vector of

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