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Hehe. Friend, yes!
A general term for the vertebrate subphylum in the phylum Chordates. The largest number, the most complex structure, and the highest evolutionary status. The morphological structure is very different from each other, and the lifestyles are very different.
In addition to the common features of chordates, other features include: the appearance of a distinct head, a tubular central nervous system, an enlarged anterior end to the brain, and a spinal cord to the posterior part. Most species of notochords are only found in the early stages of development (with the exception of Rodomouth, Cartilaginous Fishes, and Bony Fishes) and are later replaced by a spine connected by a single vertebrae.
Primary aquatic animals respire with gills, secondary aquatic and terrestrial animals only have gill slits at the embryonic stage, and adults breathe with lungs. With the exception of the round mouth, they all have upper and lower jaws. The circulatory system is more perfect, and the heart can contract, promote blood circulation, and help improve physiological functions.
Replacing simple renal ducts with complex kidneys improves excretory function, and a large amount of waste products produced by metabolism can be excreted more efficiently. With the exception of the Rotundoroda, aquatic animals have even fins, and terrestrial animals have paired appendages. This subphylum includes:
Rotunds, cartilaginous fishes, bony fishes, amphibians, reptiles, birds, and mammals. Although the characteristics of each class are significantly different, the organ systems that make up the body and their functions are basically the same.
So yes!
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Lizards belong to the chordates, reptiles, and biforeric subclasses in the animal kingdom.
There are about 3,000 species of lizards, which are divided into two suborders, and in general, it can also be directly said that lizards belong to reptiles, which are commonly known as reptiles. These animals are not called cold-blooded, they are called ectotherms and their body temperature changes according to the environment, unlike mammals that are warm-blooded.
Most species of lizards are carnivores, feeding on insects, snails and even earthworms, rats, but some of them feed on seaweed, or are omnivorous. Domestic green lizards mainly eat lettuce, which must be washed and soaked for half an hour before rinsing.
Larger lizards eat birds and other lizards. Giant lizards can eat frogs and even fish, as well as other small mammals. Some lizards, such as iguanas, are mainly plant-based. Geckos-like lizards feed on insects such as Lepidoptera.
Overview of the reptile class:
As of January 2022, the reptiles that exist in the world are divided into these categories: the first group is the Linda, which includes the earliest surviving reptile beak-headed lizard, and various snake lizards with the Linda. Lizards include nearly 7,900 species of chameleons and geckos.
The second species is the turtle, which is also divided into nearly 300 species of amphibian reptiles such as turtles, soft-shelled turtles, king-eight sea turtles, and soft-shelled turtles.
The third category is crocodiles, reptiles, crocodiles. It includes Chinese alligators, Siamese crocodiles, bay crocodiles, Nile crocodiles, etc. Snakes, turtles, lizards, crocodiles, etc., which are commonly found by people, are all reptiles.
Amphibians and reptiles are primitive terrestrial vertebrates. The first air-breathing terrestrial vertebrates, fossils suggest that they appeared in the late Devonian period, 360 million years ago. Evolved directly from fish, the appearance of these animals represents a transition from aquatic to terrestrial.
Amphibians have gills at the beginning of their lives, which gradually evolve into lungs as they grow into adults.
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Lizards have vertebrae. Vertebrates and invertebrates are two large groups of animals, and the main difference is the presence or absence of vertebrates. Lizards belong to the subphylum Vertebrates of the phylum Chordates, and they have a vertebral body structure, so they are vertebrates.
The spine of a lizard is as important as the spine of other animals, helping to support their bodies and allow them to carry out a variety of complex life activities. Without a backbone, a lizard cannot survive. <
The vertebrate is one of the important structures of animals, but not all animals have vertebrae, among which the one with vertebrates is called vertebrates, and the one without vertebrates is called invertebrates, which is a general term for two major groups of animals, these two types of animals each contain many varieties, and the difference between the two is very large.
In terms of category, lizards belong to the subphylum Vertebrates of the phylum Chordates and are a class of vertebrate animals. The spine of the lizard has an important supporting role like the spine of other animals, which is located in the positive position of their body to support their body, so that they can complete various complex life activities. Without a spine, the lizard would not be able to move normally, let alone complete more complex life activities, so there would be no way to survive.
As mentioned above, lizards belong to the vertebrate subphylum of the phylum Chordates, so they are vertebrates, and they also have vertebral structures in their bodies. Compared to invertebrates, vertebrates are more advanced animals. The same goes for lizards, which are more advanced than invertebrates and have a more complex body structure.
Vertebrates are also divided into many subgroups, specifically, lizards belong to the reptiles among vertebrates. In addition to reptiles, there are many other species of vertebrates, such as fish, mammals, birds, amphibians, etc., and there are many differences between these subgroups.
I know that due to the change in the composition of the air, the proportion of oxygen has gradually increased, most of the invertebrate lower organisms have suffocated to death, most of the living things have become extinct, and only a few vertebrate animals have adapted to oxygen by their own strong adaptability, so that most of the present organisms should survive on oxygen. >>>More
1. Adopt gills instead of lung breathing;
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There are many species of dinosaurs, and their biology can only be inferred from a limited number of fossils. Some scientists believe that at least some dinosaur species may have been homeothermics, and their reasoning is that some dinosaurs could move upright and move far from the ground, indicating that they no longer needed heat from the terrestrial environment; If they are ectotherms, then they should be able to regulate the metabolic level of the body and hibernate in areas with severe winter temperatures, but animals that are too large will encounter physiological insurmountable obstacles when hibernating; If dinosaurs and crocodiles were both ectotherms in terms of physiological mechanism, then there is no way to explain why the dinosaurs were all extinct while the crocodiles survived. >>>More