The Animal Encyclopedia column provides comprehensive and rich animal encyclopedia Guides. It is a good platform to understand the living habits, special abilities, and distinctive characteristics of household pets, domestic livestock, and wild animals. Comprehensive animal-related Guides will enrich your
As early as the late Silurian period when placoderms just appeared, the most primitive bony fishes, the acanthus, also quietly entered the stage of evolution. The gate fish of the late Silurian and early Devonian can be ···
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In the history of biological evolution, some major events have occurred. The significance of these major events exceeds the sum of various general events. They are revolutionary in nature and profoundly affect the subseq···
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Lampreys look very much like ordinary eels. They have a slender body with exposed skin without scales. There is a long dorsal fin on its back, which extends back to the tail end and surrounds the tail to form a caudal fi···
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Before the earliest vertebrates were discovered in the Chengjiang fauna in China, scale fossils with bony structures found in the Ordovician freshwater sedimentary rocks in Colorado, USA, had been the remains of the earl···
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Vertebrates are the highest group in the animal kingdom. They form a subphylum of the phylum Chordata in the animal kingdom - the subphylum Vertebrates. Vertebrate skeleton pattern diagram There is a spine in the body of···
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Across the world, scientists have discovered a large number of tiny fossils from various marine strata from the Cambrian to the Triassic. Their shapes are very similar to various teeth, but they cannot be compared with a···
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If you go to the botanical garden to play, you will definitely be attracted by the various colorful flowers there; every spring, accompanied by the warm spring breeze, flowers of all sizes bloom in the fields, hillsides,···
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When the ferns of the Paleozoic Era formed the first primeval forests on earth, gymnosperms, which were more advanced than ferns, had quietly appeared in the late Devonian period. But at that time, the climate on Earth w···
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The leaves of modern ferns all look like sheep's teeth, so the earliest scientists who studied them called them "ferns". In the development of the earth's natural history, these "ferns" were actually the earliest higher ···
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When the American paleobotanist Letariak was analyzing and studying the Late Ordovician ancient soil in Pennsylvania, he discovered the fossilized footprints of some annelids or arthropods that entered deep into the soil···
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Hemichordates are also called "cryptozoans" and they all live in the ocean. Their most striking feature is a nerve cord located on their back and a short blind tube called an "oral cord" extending forward from the back o···
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Fossil evidence shows that the earliest winged insects appeared in the late Carboniferous period. That was about 300 million years ago. Tall and dense forests grew everywhere on the earth. However, the tree species were ···
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The oldest insect fossil is a wingless springtail insect found in the middle Devonian strata 350 million years ago. The body of this insect has been clearly divided into three parts: head, thorax and abdomen. The emergen···
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As early as more than 300 years ago during the Chongzhen period of the Ming Dynasty, a man named Zhang Huadong discovered a "monster" buried in rocks in Dawenkou, Tai'an, Shandong Province. Its appearance looked like a b···
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In the aquarium, you will be dazzled by the colorful fish and various other aquatic animals. However, you will definitely stop in front of some brightly colored five-pointed star-like animals for a long time, because the···
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Molluscs are a category with a very large number and variety of invertebrates. There are 120,000 modern species and fossil species that have been discovered, making them the second largest category in the animal kingdom ···
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Algae are the lower types of the plant kingdom. There are many kinds of them, with an estimated 18,000 species, belonging to green algae, diatoms, golden algae, red algae and brown algae. They are widely distributed in v···
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Bryos and mosses in plants are two different things! They are a type of primitive aquatic group animals with tiny individuals. However, their body structure is more evolved than that of worms, with three germ layers and ···
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Brachiopods are a large group of shelled invertebrates that live on the seabed. Their two-valved shells are of different sizes, and their shells are made of calcium or chitin. Brachiopods spend a few days to two weeks in···
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More than 300 years ago in the 18th century, the systematic classification of biology was still very imperfect. Lin Nai, a famous taxonomist at that time, collectively called those "bugs" with roughly elongated bodies, l···
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In addition to corals, coelenterates also include polyps and jellyfish. Both coelenterates and sponges are diploblasts, but they are more advanced than sponges because they already have the division of labor between nerv···
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There are a group of beautiful islands in the mainland of the motherland and south of Hainan Island, scattered like jade beads in the South China Sea. Their names have been called Dongsha Islands, Xisha Islands, Zhongsha···
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Archaeocybeans appeared in the early Cambrian period and were extinct by the Jurassic. There is no modern creature that can be directly compared with them. In addition, their bones have various shapes, so scientists stil···
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Sponges are the simplest structure and the most primitive form among multicellular animals. They have appeared before the Cambrian and have continued to thrive until modern times. Sponges evolved from single-celled anima···
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