In the middle Devonian period, some more advanced bony fishes appeared. Part or ···
The sharks we are familiar with are cartilaginous fishes. Nearly all cartilagino···
Life originated in the primitive ocean, and the earliest vertebrates were also b···
The most primitive gnathostomes discovered so far are placoderms (class). They f···
As early as the late Silurian period when placoderms just appeared, the most pri···
In the history of biological evolution, some major events have occurred. The sig···
Lampreys look very much like ordinary eels. They have a slender body with expose···
Before the earliest vertebrates were discovered in the Chengjiang fauna in China···
Vertebrates are the highest group in the animal kingdom. They form a subphylum o···
Across the world, scientists have discovered a large number of tiny fossils from···
If you go to the botanical garden to play, you will definitely be attracted by t···
When the ferns of the Paleozoic Era formed the first primeval forests on earth, ···
The leaves of modern ferns all look like sheep's teeth, so the earliest scientis···
When the American paleobotanist Letariak was analyzing and studying the Late Ord···
Hemichordates are also called "cryptozoans" and they all live in the ocean. Thei···
Fossil evidence shows that the earliest winged insects appeared in the late Carb···
The oldest insect fossil is a wingless springtail insect found in the middle Dev···
As early as more than 300 years ago during the Chongzhen period of the Ming Dyna···
In the aquarium, you will be dazzled by the colorful fish and various other aqua···
Molluscs are a category with a very large number and variety of invertebrates. T···
Algae are the lower types of the plant kingdom. There are many kinds of them, wi···
Bryos and mosses in plants are two different things! They are a type of primitiv···
Brachiopods are a large group of shelled invertebrates that live on the seabed. ···
More than 300 years ago in the 18th century, the systematic classification of bi···
In addition to corals, coelenterates also include polyps and jellyfish. Both coe···
There are a group of beautiful islands in the mainland of the motherland and sou···
Archaeocybeans appeared in the early Cambrian period and were extinct by the Jur···
Sponges are the simplest structure and the most primitive form among multicellul···
Radiolarians and foraminifera are both protozoa, and they belong to the phylum P···
Foraminifera are a type of tiny single-cell protozoa with pseudopods. Most of th···
Radiolarians are single-celled protozoa floating in the ocean. They are named af···
Dr. Zhexi Luo, a Chinese-American paleontologist, recently published a latest re···
At the beginning of the 20th century, the German scientist Wegener proposed the ···
Fish cannot live without water, vegetation cannot live without the sun, bees nee···
All different kinds of living things on earth have more or less common character···
When we visit zoos, botanical gardens and aquariums, when we walk in forests, gr···
All living objects in nature are called organisms. Generally speaking, living th···
Traces of the activities of ancient organisms and their relics preserved in rock···
Paleontologists call the impressions and replicas of paleontological remains lef···
Solid fossils are fossils formed by preserving all or part of the paleontologica···
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