Introduce one thing, write a 400-word dolphin composition.

1. Dolphin is a mammal that lives in water. It is loved by people because of its intelligence, loveliness and kindness. They usually live in the ocean and are highly adapted to the aquatic environment.

Dolphins vary in size from species to species, but they all have one thing in common, that is, their bodies are flexible and slender. Dolphins have smooth and delicate skin, usually gray or blue, and their eyes are very bright, full of wisdom and curiosity.

One of the most striking features of dolphins is their intelligence. Dolphins are very intelligent animals with high IQ and learning ability. They can communicate through sound, posture and touch, and can establish close relationship with human beings. Dolphins can perform various performances in Ocean Park or Aquarium, such as jumping, flipping and catching the ball. These performances all prove their cleverness.

In addition to wisdom, dolphins also have excellent social skills. They usually live in groups and interact with other dolphins. Dolphins have complex social structures and relationships. They can establish friendship and cooperation through voice and posture communication.

Dolphins are also a kind of creatures that are very adaptable to the aquatic environment. Their body shape and physiological characteristics are adapted to life in water. For example, dolphins have a special respiratory organ that allows them to dive for a long time and breathe quickly. In addition, their bodies have special muscles and organs that can help them swim and keep balance in the water.

Dolphin is a very interesting and special animal. Their wisdom, social skills and adaptability have aroused people's strong interest and love for them.

2. The wisdom and emotion of dolphins

Dolphin, an aquatic mammal living in the ocean, has attracted the attention of the whole world with its smart and lovely image. Their wisdom and emotional ability are deeply attractive. Let's learn more about the wisdom and emotion of dolphins. The wisdom of dolphins is manifested in many ways. First of all, their IQ is equivalent to that of children aged 5-6, and they have strong learning and memory ability. Secondly, dolphins have strong adaptability and can survive in different environments, including deep-sea areas in the ocean.

Dolphins are not only smart, but also emotional. They have a strong desire to communicate with other dolphins and establish relationships. By observing the behavior of dolphins, we can find that they have emotions such as joy, sadness, fear and anger, and even have the ability of self-awareness and cultural inheritance. These feelings and consciousness prove that dolphins are animals with high intelligence and emotion.

Because of the wisdom and emotional ability of dolphins, we should pay attention to protecting dolphins. However, at present, the number of dolphins in the world is decreasing, mainly due to fishing, marine pollution and climate change. In order to protect dolphins, we need to take measures to reduce the impact of human activities on them, such as limiting fishing, reducing pollution and protecting marine ecosystems.

Dolphins are animals with high intelligence and high emotions, so we should pay attention to their protection. By understanding the wisdom and feelings of dolphins, we can better understand their lifestyle and needs, and then take effective protection measures.

3. The relationship between the ecological function of dolphins and human beings.

Dolphin is an animal that plays an important role in the marine ecosystem. They are not only a link in the marine food chain, but also play an important role in maintaining the balance of the whole ecosystem. At the same time, dolphins have a very close relationship with humans. Let's understand the relationship between the ecological function of dolphins and human beings.

Dolphins, as a member of marine ecosystem, are in the middle and upper layers of the food chain. They eat fish, crustaceans and other small marine life. The existence of dolphins plays an important role in maintaining the balance of marine ecosystem. In addition, because dolphins are one of the fastest swimming mammals in the ocean, they can swim quickly and cross the ocean, thus contributing to the promotion of marine biodiversity.

The relationship between humans and dolphins can be traced back thousands of years. In ancient times, people hunted dolphins for a living, but as time went on, people began to realize the value of dolphins to the ecosystem and began to take protective measures. Nowadays, many countries and regions have established marine parks and aquariums so that people can watch dolphins at close range and understand their living habits.

Dolphins also play a special role in many cultures and religions. For example, in some traditional cultures, people think that dolphins are patron saints or symbols of good luck. There are also legends and stories about dolphins in religions such as Christianity and Islam.

Although the relationship between humans and dolphins is getting closer and closer, the number of dolphins in the world is still decreasing. In order to protect dolphins and their ecological environment, we need to take measures to reduce the impact of human activities on them. This includes limiting fishing, reducing pollution and protecting marine ecosystems. In addition, promoting sustainable fishing methods and educating people to protect the marine ecosystem are also important measures to protect dolphins.

Dolphins play an important role in the marine ecosystem and have a close relationship with human beings. In order to protect dolphins and their ecological environment.

4. The amazing ability and wisdom of dolphins.

Dolphin, a magical marine creature, with its unique physiological structure and intelligence, has become a friend and admiration object of human beings. Their wisdom and ability make people marvel again and again.

The wisdom of dolphins is manifested in many ways. First of all, dolphins have excellent sensory organs. Their eyes can adapt to different water environments, whether shallow or deep. Secondly, the hearing ability of dolphins is very sensitive, and they can perceive the surrounding environment and detect potential dangers through sound. In addition, dolphins also have excellent memory and learning ability. In addition to wisdom, dolphins also have excellent abilities.

The relationship between dolphins and humans is very friendly. In ancient times, people had a close relationship with dolphins, and learned about this magical creature through hunting and observation. In modern times, with the improvement of environmental awareness and the implementation of wildlife protection law, the relationship between humans and dolphins is more friendly. Many marine parks and marine conservation organizations are committed to protecting and breeding dolphins, and raising public awareness and concern about dolphin protection through education and publicity.

Dolphin is a very intelligent, capable and friendly animal. Their wisdom and ability make people marvel again and again. By understanding and studying dolphins, we can better understand this magical creature and its importance to human beings and the whole ecosystem.

5. The ecological environment and protection of dolphins

Dolphins are mammals living in the ocean, and their living environment is closely related to human beings. With the continuous expansion of human activities and the destruction of the ecological environment, the number of dolphins is gradually decreasing, so it is particularly important to protect their ecological environment.

Dolphins live in various marine environments. Some dolphins live in shallow water, while others live in deep water. They use sound waves to sense their surroundings and look for food, and also use seabed topography to avoid danger. In addition, dolphins will migrate to warm or cold areas seasonally to find better food sources and breeding environment.

Due to overfishing, water pollution and climate change, the number of dolphins is gradually decreasing. In order to protect dolphins and their ecological environment, the international community has taken a series of measures. The first is to limit the impact of human activities on the marine ecosystem by formulating strict marine protection laws and regulations. Secondly, through education and publicity to raise public awareness and attention to dolphin protection. In addition, scientists are also carrying out research work to learn more about dolphins and their ecosystems, thus providing scientific basis for conservation work.

Individuals can also contribute to protecting dolphins. For example, reducing the use of plastic products, not littering and participating in beach cleaning can all contribute to the protection of the marine environment and dolphins. In addition, members of the public can also visit marine parks or participate in other activities related to marine protection to enhance their awareness and concern about dolphin protection.

Protecting dolphins and their ecological environment is a long-term and arduous task. Through international cooperation, education and personal actions, we can work together to provide a safer and healthier ecological environment for dolphins.