Question

Which of the following categories of animals is correctly described without any exception? (1)All reptiles possess scales,have a three chambered heart and are cold blooded (poikilothermal) (2)All bony fishes have four pairs of gills and an operculum on each side (3)All sponges are marine and have collared cells (4)All mammals are viviparous and possess diaphragm for breathing

Answer 1

Answer:

4. is the correct answer

all mammals are not viviparous

Explanation:

hope the answer will help you

Answer 2

Answer:

(4) All mammals are viviparous and possess diaphragm for breathing. This is correctly described.

Explanation:

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