Dolphins are marine mammals are very intelligent, besides the natural system that complements his body is very complex. So much technology is inspired by dolphins. One example is the skin of a dolphin that is able to minimize friction with water, so dolphins can swim with little water resistance. It is used by swimmers to design a dolphin-like swimsuit.
Dolphins have a system used to communicate and receive stimuli called sonar systems, this system can avoid objects that exist in front of the dolphins, so avoid the impact. This technology was then applied in the manufacture of submarine radar. Dolphins are mammals because the dolphins are mammals. They live in the sea and rivers throughout the world. Dolphins are relatives of whales and dolphins. There are more than 40 species of dolphins.
Newborn dolphins will be brought to the surface by their mothers in order to breathe the air. Dolphins need to rise to the surface to breathe in order to stay alive. The dolphins are breathing through the air holes located above the head. Her slick, slender body is perfect for swimming. Parent dolphins feed their children with savory milk and provide energy for their children to get bigger fast. Every dolphin is always near his mother, so his mother can protect from danger. Dolphins always maintain a relationship with their children to grow bigger. Dolphins call their children with special whistles they can recognize.
Dolphins live and work in groups or called herds. They often play together. A dolphin can not sleep soundly under the water. He can drown. Therefore, he half asleep a few moments a day. Dolphins eat squid and fish like gray mullet fish. Sometimes dolphins lead herds of fish to catch them easily. Dolphins look for a way by sending a voice in the water. If the sound is about an object, the sound will be reflected back as an echo. Sometimes, the noise in the ocean from oil drilling can confuse dolphins. They will have difficulty in sending and receiving messages. Because the dolphins can communicate, the dolphins are called the most intelligent animals, more than chimps. [1]
Humans are always interested in the story of the dolphins. The Romans have made dolphin mosaic images some 2,000 years ago. Now, humans love to swim in the sea with animals that are clever and friendly like dolphins. Dolphins should be careful of sharks that might attack them at any time. They protect themselves with their teeth, sometimes they use their beaks as a bully. Humans can catch lots of fish for dolphins for food. Sometimes, dolphins are caught by fishing nets. They can not breathe on the surface, so they drown. When hazardous chemicals are dumped into the ocean, they can poison the food that the dolphins eat. Construction of reservoirs in rivers and drying lakes leaves little room for animals like the Brazilian dolphins to live.
Dolphins are classified as intelligent mammals. Dolphins can help humans, when dolphins are trained, even a circle of fire they can break through. Sea lions, primate species, whales and dogs also include intelligent animals. Well-trained dolphins can perform a variety of attractions and they can also count, but wild dolphins have not been able to perform various attractions. Today, dolphins and whales are scarce, dolphins and whales must be protected. Dolphins and whales have begun to be protected all over the world.
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