Please select a subject first
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Animals that possess notochord are called ______.
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What is the name of the bone which is filled with air?
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______ is the unique characteristic feature of mammals.
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In mammals, the testis is enclosed by ______.
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______ formed during embryonic development.
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Mammals have four-chambered Hearts.
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Assertion (A): Mammals give birth to their young ones.
Reason (R): Platypus is an egg-laying mammal.
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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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