1.

Which one of the following categories of animals, is correctly described with no single exception in it ?A. All reptiles possess scales, have a three - chambered heart, and are cold blooded ( poikilothermal )B. All bony fish have four pair of gells and operculum oneach side .C. All sponges are marrize and have collared cells.D. All mammals are viviporous and possess diaphragms for breathing.

Answer» Correct Answer - C


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