Short Answer TypeWhat are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
Long Answer TypeHow useful is the study of the nature of body cavity and coelom in the classification of animals?
Short Answer TypeWhat is the difference between direct and indirect development?
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Direct development |
Indirect development |
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In this the embryo develops into a mature individual without involving a larval stage. |
Indirect development encompasses a larval stage that undergoes a metamorphic transition into a juvenile. |
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Metamorphosis is absent. |
Metamorphosis is present. |
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It occurs in fishes, reptiles, birds, and mammals |
It occurs in most of the invertebrates and amphibians. |
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Multiple Choice QuestionsWater vascular system is the characteristic of which group of the following:
Porifera
Ctenophora
Echinodermata
Chordata
Short Answer Type“All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.
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