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ニクス生き物クイズ(英語4択)

1 / 5

Why do Sebastolobus macrochir stay still and not move?

2 / 5

Where can we distinguish between sharks and rays?

3 / 5

How deep can king penguins(Aptenodytes patagonicus) dive?

4 / 5

Why are penguins' bellies white and their backs black?

5 / 5

Why are dolphins not cold in the water?