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Differentiate following on the basis of ...

Differentiate following on the basis of characters asked in the subparts :
(a) Human/Bird (number of condyles)
(b) Whale and shark (number of respiratory apparatus and position)
(c) Sea anemone/Ctenophora (symmetry)
(d) Crocodile/Toad (number of characters of heart)
(e) Moth/Butterfly (wings in sitting position).

Text Solution

Verified by Experts

(a) Human - Dicondylic, Birds - Monocondylic (b) Whale - Lungs (one pairs) - on the sides of heart, shark - 5pairs of gill clefts (external), pharyngeal gills - ten (5 pairs). (c) Sea anemone - Radial, Ctenophora - Biradial. (d) Crocodile - complete 4 chambers, Toad - 3 chambers. (e) Moth = Horizontal, Butterflies = vertically upward.
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