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In the coral reefs of the South China Sea, where there are many corals, there live some fish with flat sides, degraded abdomen, about 20 centimeters in length, and an appearance that resembles the pufferfish (skinned fis···
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The name of the spiny pufferfish reflects this fact. These spines on the body of the spiny puffer fish evolved from scales. In other words, the scales of the spiny puffer fish are movable spines. When the puffer fish's b···
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Swordfish is also called swordfish. It is named because its upper jaw is flat at the top and bottom, thick in the middle and thin on the sides, like a sharp sword. But because of its fast speed, it is like an arrow leavi···
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The cocked mandarin fish is also called school fish, sweet-scented osmanthus fish, season flower fish, flower fish, fat fish, etc. It has a tall body, flat sides, and a yellowish-brown color with many irregular black spo···
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Herring, also called mackerel, is an important economic fish; its fish schools are dense and the number of individuals is unparalleled. It can be said that it is the most productive fish in the world. Why can herring rep···
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Being cold-blooded, having backbones, gills and fins are the main features that distinguish marine fish from other marine animals. There are more than 25,000 species of marine fish. The anatomy of a fish What is a fish? ···
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Coral polyps live in warm oceans and are crowded and fixed on rocks. New corals grow on the skeletons of dead corals, and some form branch-like branches with delicate and flexible branches. The shapes of the corals are b···
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Chrysanthemums on land bloom in autumn, but in the vast ocean, there are "sea chrysanthemums" that bloom all year round. They are sea anemones. Sea anemones come in many shapes, with thousands of species, generally cylin···
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In the blue ocean, there are many beautiful and transparent jellyfish living in it. They float in the sea like parachutes one by one, and their graceful appearance is amazing. The sky-blue sail jellyfish has a transparen···
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Coelenterates are taxonomically lower metazoans. Cnidocytes are unique to coelenterates. They are located all over the body surface and are especially numerous on the tentacles. Therefore, coelenterates are also called c···
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Mollusks in the ocean, commonly known as seashells. There are not only many types of seashells, but they are also widely distributed. They can be found in three sea areas: cold, warm and hot, and at three water depths: u···
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Arthropods are the largest category of animals, accounting for approximately 85% of the more than 1 million species of animals currently known. The body of this phylum is divided into three parts: head, thorax and abdome···
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There are bright red spiny starfish and huge bread starfish in the ocean; there are also beautiful shell-shaped sea urchins with purple-red bodies and beautiful patterns on their petal-like spines. Their spines are thick···
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Marine fish and various marine animals all feed on plankton, the tiny plants and animals floating in the sea, just like we humans feed on food produced in agriculture and livestock produced in animal husbandry. Marine pl···
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Someone has made statistics and found that there are more than 500,000 species of living things on the earth. Living things can be divided into three categories: animals, plants and microorganisms. According to some stat···
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The evolution of living things is not like modern humans climbing stairs, from the top of one staircase to another. It is a transition from the ancestral form of this group to another group. Birds evolved from an early b···
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Between 270 and 135 million years ago, the main place of biological evolution shifted from water to land. The fern forests on land were gradually replaced by gymnosperms represented by cycads, ginkgo, and metasequoia. Th···
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Between 430 and 345 million years ago, intense orogeny occurred in the earth's crust. The sea surface shrank, land appeared widely, and the climate became dry and hot. Cretaceous marine biomes During the ebb and flow of ···
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About 3.2 billion years ago, single-celled organisms such as bacteria and simple algae appeared in the primitive ocean. For example, cyanobacteria, which are still widely living today, still retain their original prokary···
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The origin of life has always been a subject of research by scientists. Judging from current research results, it is generally believed that life originated in the ocean. Water is an important component of life activitie···
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In the southeastern sea of the Yangtze River Estuary, there is the largest island group in my country, which is the Zhoushan Islands. Geographic location map of Zhoushan Islands The Zhoushan Archipelago is dotted wit···
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In the vast expanse of blue waves in the south of the motherland, Hainan Island, the second largest island in our country, lies. It is separated from the Leizhou Peninsula at the southern tip of the mainland by only one ···
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If there are no clouds in the sky and the sky is high and the air is crisp, you stand on the high point of the central coast of Fujian and look eastward. In the depths of the vast sea, you can vaguely see the island of T···
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In the vast expanse of blue waves in the south of the motherland, Hainan Island, the second largest island in our country, lies. It is separated from the Leizhou Peninsula at the southern tip of the mainland by only one ···
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