The ancient animals. Ancient animals and plants

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2018-03-18 15:51:02

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Ancient animalsFor many of us the world of ancient animals appear to be herds of dinosaurs, or, at least, mammoth. In fact, it is much more varied and fantastic. Our planet was inhabited by millions of beings, most of whom disappeared from the face of the Earth, leaving us to remember only their fossils, fossilized footprints, drawings of ancient people or even leaving us with nothing. But each of them was a brick of a great Kingdom, called flora and fauna.

Fantastic beasts

Ancient animals began their existence in the image of spineless microorganisms long before the advent of Homo sapiens. So says the official science. Informal, based on hundreds of artifacts found in different corners of the Earth, believes that before the advent of our civilization were different, not less developed than we are. Of course, then lived not only people but also animals. As they were almost impossible to define. The only thing left of them – the mention in the most ancient manuscripts and myths about all kinds of dragons, elves, monsters, unicorns. However, there is the world's only Museum where the exhibits are real, according to his employees, the remains of unicorns, mermaids and other strange creatures. Among them there are fragments of dragons, mermaids, mythical two-headed snakes and other monsters recovered by archaeologists, enthusiasts from the Earth.

How it all began

The ancient animalThe Official science paleontology adheres to the theory that life originated in the Precambrian period. This is the most impressive period of time, which accounts for 90% of the duration of existence of all living things. It lasted almost 5 billion years, from the beginning of the formation of the Earth until the Cambrian. First on our planet had no atmosphere, no water, nothing, not even volcanoes.
Ancient beasts of the earthDark and lifeless, she silently swept in its orbit. This period is called Katara. 4 billion years ago it was replaced by Archaea, marked by the appearance of the atmosphere, however, almost without oxygen. Then there was first the sea, representing the sour-salt solutions. In these terrible conditions and life began. The most ancient animal of the Earth - cyanobacteria. They lived in colonies, forming a film or the layered mats on the substrate. The memory of them - calcareous stromatolites.

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Further development

Remains of ancient animalsThe Archean lasted 1.5 billion years. Cyanobacteria filled the atmosphere with oxygen and caused the appearance of hundreds of new species of microorganisms, through the activity which we have mineral deposits.
Ancient animals and plantsAbout 540 million years ago the Cambrian, which lasted 55-56 million years. The first era-the Paleozoic. This Greek word means "ancient life" (‘paleo Zoe”). In the Paleozoic formed the first and the single
The continent of Gondwana. The climate was warm, close to subtropical, which is ideal for the development of life. Then she had been in the water. Its representatives were not only single, but entire systems of algae, polyps, corals, hydras, ancient sponges, and other things. These ancient animals gradually ate all those who formed the stromatolites. In the same period they began the development of the land.

Ancient plants

the World of ancient animalsIt is believed that on land the first “left” plants. First it was algae perishably from time to time shallow water. Blue-green algae are the first plants on the planet. They were replaced by the psilophytes. The roots have not yet been, but there was already tissue in the conducting cells water and nutrients. Then came the horsetail, moss and ferns. The size of these plants was a giant as tall as 10-storey building. Their forests were gloomy and very humid. The first gymnosperms arose not from the ferns, and ferns, who already had roots, bark, core and crown. During glaciation, the ancestors of the gymnosperms became extinct. Angiosperms appeared during the Cretaceous period. They much pressed their ancestors of gymnosperms plants, changing the face of the planet and becoming the ruling class.

The First sunrise and the first sunset

Ancient animals and plantsThe Emergence of land plants contributed to the emergence and development of insects. The ancient animal sushi arachnids, bright representative of which is the armoured spider. Later came the winged insects, and then amphibians. By the end of the Paleozoic, the land was dominated by reptiles, who had a very impressive size. Among them the three-meter pareiasaur, pelycosaur grow up to 6.5 meters, therapsida. The last was the most numerous class, had in their ranks and small companies and giants. About 252 million years ago there was a worldwide natural disaster, which resulted in the complete disappearance of 70% of all the animals of land, 96% of marine species and 83% of the insects. It happened in the Permian period. They ended the Paleozoic and Mesozoic began. It lasted for 185-186 of millions of years. The Mesozoic includes the Triassic, Jurassic and Cretaceous periods. Ancient animals and plants who survived the Holocaust, continued to develop. The second half of the Triassic to the end of the Mesozoic, the dominant position occupied by the dinosaurs.

Lord of the dinosaurs

The ancient animalThese reptiles had more than a thousand species, to install and to learn which help the remains of ancient animals. The first dinosaur is staurikosaurus, body length which was less than a meter and a weight of about 30 kg. Later came herrerasaur, eoraptor, plesiosaurus, Tyrannosaurus and others. They have completely mastered the land, the ocean, rose into the air. The most well-known of the flying dinosaurs-pterodactyl. There were many types, from babies the size of a Sparrow to giants with a wingspan of 12-13 meters. They ate fish, insects, and their brethren. In 1964, during excavations found the remains of a creature called deinonychus. It was the first warm blooded dinosaur. Presumably he was an ancestor of birds, because it had a tail.

Ancient animals

Dinosaurs – amazing ancient animals. Many consider them to be stupid and primitive, but they were able not only to lay eggs, but they hatch, anxious to take care of offspring, protecting and educating their children. And pelycosaurs were the ancestors of the first mammals.

The Kingdom of mammals

Ancient beasts of the EarthAround 65 million years ago, at the end of the Mesozoic, there was another terrible disaster in which all the dinosaurs died out. Also disappeared in most species of mollusks, aquatic reptiles, plants. And again the death of some gave rise to the emergence and development of others. Warm-blooded mammals have undergone a long evolution and gradually occupied all the natural niches. It happened in the Cenozoic, the Mesozoic, which replaced the. In his Quaternary period, and still ongoing, a man appeared. Ancient animals of the Earth, survivors of natural disasters, exterminated the primitive people at the dawn of humanity and Homo sapiens in the recent past. So, by the year 1500 killed all the moas. At the end of the 17th century ceased to exist, Dodo, dodos, tours, passenger pigeon. In the 18th century killed the last sea cow. In the 19th died last quagga resembling a Zebra, and a 20-m - Tasmanian wolf. And this is only a small part of the impressive list.

Extraordinary finds

All of these animals killed for human greed. However, in the world there are many beautiful people who care about the preservation of existing species on Earth and undertaking expeditions with the aim of opening a new one. Enthusiasts believe that not all ancient animals became extinct. There is even a science - cryptozoology, working in unusual relict species. The most famous of them - the plesiosaur of Loch ness and the Puerto Rican Chupacabra. Skeptics don't believe in their existence, however, relatively recently nobody believed in the existence of the Okapi, pygmy hippos, lobe-finned fishes, dwarf deer and other animals that are open in the 18-20 centuries. As if to confirm that new discoveries are still ahead, people find unusual skeletons, or fragments of the bodies of unknown creatures that are waiting for their description and classification.

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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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