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ニクス生き物クイズ（英語4択）
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1 / 5
What is the speed at which dolphins swim the same speed as a vehicle?
Common bottlenose dolphin can swim at speeds of 30-40 km/h and Pacific white-sided dolphins can swim at speeds of 50 km/h.
2 / 5
Where can we distinguish between sharks and rays?
Rays have gill slits on the ventral side of their bodies, while sharks have gill slits on the side of their bodies.
3 / 5
What is a penguin's tail made of?
It looks like it has bones in it, but it is made of hard feathers.
4 / 5
How many brains does an octopus have?
The octopus has one brain in the center of its body and a small brain in each of its eight arms. By the way, there are three hearts.
5 / 5
Ezo mebaru is also known as “gaya. What is the reason?
It is called “gaya” because it can be caught in large numbers. *Hurly-burly is expressed as wai-wai-gaya-gaya in Japanese.
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