I want the name of the dinosaur, the years of life, the living environment, the characteristics of t

Dinosaurs are a general term for a class of reptiles that appeared in the Mesozoic era, and the vigorous limbs, long tails and huge bodies are the portrayal of most dinosaurs, and the bones of dinosaurs have some evolutionary adaptations that distinguish them from the original main dragon ancestors, and in the later dinosaurs, these characteristics have undergone more evolutionary changes.

The common features of dinosaurs include the absence of the posterior frontal bone, a low triangular crest of the humerus, attachment to the sternoclavicular deltoid muscle, a protruding mass at the back of the intestinal bone, and a perforated acetabulum; The tibia has a broad terminal margin with a posterior flange, and the talus has a distinct superior process that fits the tibia. Dinosaurs had an erect gait, similar to most modern mammals.

Most other reptiles have a gait with the limbs extended to the sides, with the dinosaur's breech fossa facing both sides and the fourth trochanter of the femur facing inward, the two fit, and the femoral head is perpendicular to the femoral shaft, resulting in an upright gait, unlike the upright way of the hip fossa downwards such as the Lloyd's crocodile.

Dinosaur species and characteristics

1. Carnivorous dinosaurs, the term carnivorous dinosaurs originally referred to a variety of large theropod dinosaurs, with huge heads and huge teeth, which were different from the small and light-boned osteosaurs. The largest carnivorous dragon is the Maprosaurus of the subfamily Sharkodontosauridae, which can weigh up to 12 tons.

2. Hypocosaurus suborder, hypocostosaurus suborder, with a light and flexible body, the early representative may be carnivorous, and the later representative develops into omnivorous. Some use eggs as their staple food.

3. Protosauropod, protosauropod, bipedal, omnivorous.

Dinosaur habits: Herbivorous dinosaurs were limited by their height in the plants they could eat, so some small herbivorous dinosaurs would stand on their hind legs in order to eat the leaves of plants in high places. Carnivorous dinosaurs fed on herbivorous dinosaurs and other animals.

The different foraging patterns of various dinosaurs are also reflected in their teeth.

Dinosaurs refer to the nearest common ancestor of Triceratops, modern birds, and Diplodocus and all of their descendants. To facilitate research, dinosaurs can be divided into avian and non-avian dinosaurs. Among them, non-avian dinosaurs lived only in the Mesozoic era (Triassic, Jurassic and Cretaceous) and were all extinct 65 million years ago.

This entry mainly introduces non-avian dinosaurs. The muscular limbs, long tails, and massive bodies are some of the non-avian dinosaurs. They mainly inhabit woodlands or open areas on lakeshore plains (or coastal plains).

In 1841, when British scientist Richard Owen studied several fossilized bones that looked like lizards, he thought they were left by some kind of prehistoric animal and named them dinosaurs, which means "terrifying lizards."

Skeletal features. For large herbivorous dinosaurs, strength was the most important requirement. Their leg bones are large and strong, large enough to bear a huge body. At the same time, they have evolved an ingenious construct that reduces the weight of other bones without attenuating their strength.

The smaller, fast-moving dinosaurs evolved a trait that can also be seen in modern animals: thin-walled bones. The bone resembles a hollow tube, with a thin outer wall made up of heavy bone, which is much lighter bone marrow.

Fast-moving herbivorous dinosaurs, such as Oak Tree Dragon, had this thin-walled long bone. We can assume that this skeleton is meant to reduce weight and thus gain greater speed when escaping from predators.

Conformation characteristics. Dinosaurs were large in size overall. By the standard of dinosaurs, sauropods are the giants of them. During the long age of dinosaurs, even the smallest sauropods were larger than the other animals in their habitat, and the largest sauropods were several orders larger than any animal that appeared on the surface.

1. Characteristics of dinosaurs.

1. Appearance: The appearance of dinosaurs is relatively strange, they seem to be used on all four legs, but they can stand on two legs. And it has a long tail, and a very long face.

2. Foraging: In terms of foraging, different dinosaurs have different situations. The food that herbivorous dinosaurs can eat has a lot to do with their height, if it is a relatively short dinosaur, it can generally only eat some dwarf plants; However, some also use their hind limbs to stand to eat more food.

Carnivorous dinosaurs mainly fed on herbivorous dinosaurs and other animals.

3. Struggle: Generally speaking, it is the carnivorous dinosaurs that attack the herbivorous dinosaurs, some carnivorous dinosaurs will attack some lonely herbivorous dinosaurs, and some will attack in groups. In the process of fighting, their sharp teeth and hard claws become a good **.

4. Growth and reproduction: Legend has it that dinosaurs also laid eggs. Some male dinosaurs will stay by the baby dinosaur to protect it after it is born. And the breeding location of dinosaurs is generally not fixed. But some species of dinosaurs breed in the same spot year after year.

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