Paragraph on dolphins in simple words In my own words
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Explanation:
Dolphins are mammals in the order Cetacea. They are part of the toothed whales. Generally, they are among the smaller whales. Most live in salt water oceans, but some live in rivers – there are oceanic dolphins and river dolphins. Dolphins are from 1.5 metres (4.9 ft) to 4 metres (13 ft) long, but the largest dolphin, the killer whale (or orca), can be up to 8 metres (26 ft) long.
The name 'dolphin' comes from the Ancient Greek δελφίς (delphis) meaning "with a womb", because it was first thought to be a fish with a womb. It is now known to be a mammal, and quite an intelligent mammal. Dolphins breathe air. A dolphin's nose is on top of its head so the dolphin can easily breathe on the surface of the water. The skin of a dolphin has no scales. It is soft and smooth. However, it is very firm, due to how much muscle they have. Dolphins use echolocation to find their food.
Answer:
Dolphins are one if the most beautiful groups of Aquatic mammals. Most dolphin species live in the sea water and can be found in all oceans of the world, and just few species live in the fresh water of Asia and South America. Number of dolphins decreased greatly due commercial fishing, accidental catch (together with other fish) and because their normal source of food is seriously as a consequence of the global warming. So please don't keep dolphins in a big aquarium and very packed stay them free in oceans.
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