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What is the sub-phylum of prochordates?
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Mention two special features of mammals.
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What is the unique feature of chordates?
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List the integumentary glands of mammals.
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Why is the crocodile unique among reptiles?
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Why are eggs of reptiles covered with shells unlike the eggs of amphibians?
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How are the reproductive characteristics of mammals different from those of aves?
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On the basis of the position of the notochord, classify the different prochordates. Justify your answer.
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The ______ tissues are made up of more than one type of cell and these works together as a unit.
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Differentiate collenchyma and sclerenchyma.
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The term vitamin was introduced by ______.
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Swollen and bleeding gums are a symptom of ______.
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Delayed blood clotting is a symptom of deficiency of vitamin ______ in the body.
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Analogy:
Vitamin A: ______
______: Sterility in rats.
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Vitamin Bl, B2, B3, B6, B12, and Vitamin C are ______ soluble vitamins.
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Define Vitaminosis. Give an example.
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The growth medium of Aeroponics is ______.
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In some xerophytes, leaves are modified into spines as an adaptation ______.
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