For lizards, what children are most interested in is whether they still have the same lungs as frogs? But more from the structural language of lizards, children have seen the impact of changes in diet on the survival of lizards; from the living environment of lizards, can we tell how the lizards' lungs and brain are like? Children are achieving this subject skill by reading the structural language of animals!

01 Gao Yifan: Happy Lizard

A lizard is a kind of reptile. He can change color, hence his nickname Chameleon. Lizards live in various places on land, such as rainforests, deserts, and islands, showing their strong ability to survive and adapt to the environment.

Lizards have such a strong ability to survive on land and have many more living environments than frogs. How do lizards survive so tenaciously?

1. Let’s start with the structure of the lizard. The body color of the lizard is protective, and there are scales on the body surface to prevent water loss and reduce resistance during movement. The body shape of a lizard is the head, neck, trunk, limbs and tail.

The lizard has a pair of large, prominent eyes on its head. This pair of eyes is very intelligent. It can rotate 360 ​​degrees and the two eyes can look in different directions. We can see that his eyes are very advanced. There is also a pair of ear holes, which can hear the sound of the ground shaking. There are also nostrils. It shows that it uses lungs to breathe; then there is the mouth, which has small sharp teeth. Unlike other animals, lizards have a drooping larynx under their mouths, which is very troublesome to look at. So we guess that the throat hammer can help in courtship. When it is enlarged, it looks very powerful, can scare opponents, and can also show that it is very strong, and it is a good target for breeding offspring.

The neck has a cervical ridge. This is very important, unprecedented neck - we know that amphibious frogs have no necks, and lizards have necks that greatly enhance their head rotation ability and their senses are extremely sensitive, which greatly increases their ability to move around. Adaptability on land!

The trunk has four limbs, including forelimbs, hind limbs, 5 fingers, and claws on the fingers. The claws can firmly grasp the ground and rocks.

Then there is the tail, which is very long and has a long tail. This keeps the lizard's center of gravity in the middle of the body, making it very balanced and enhancing its athletic ability.

2. How do lizards survive?

The first priority for survival is how to hunt? They mainly eat insects, birds, fish and other small animals, or vegetables, pumpkins and fruits, and are mainly carnivores. It can be seen from the diet - eating meat can make muscles stronger, exercise ability will be strengthened, you can run faster, and your mind will be more developed. Foraging requires the use of various senses: eyes, nose, and ear holes. Of course, hunting requires movement. It can use its limbs to catch prey, or it can just use its tongue to stick to prey. This kind of foraging ability is very strong, and it enters a virtuous cycle.

How do lizards breathe? If a frog was in water before and then used its lungs to breathe on land when it grew up, its lung function is very poor. Then the lizard has been on land since he was a child, so his lung function will be very strong. The lizard's lungs do not require the assistance of other organs for respiration, so the lung's air supply capacity is very strong - from breathing, it can be seen that the lizard's athletic ability should be very strong and it needs a lot of oxygen. Since then, lizards have completely adapted to breathing on land.

How do lizards move? In addition to protective coloration, the lizard's safety measures mainly take the initiative to avoid enemies - run! His running method is extremely sensitive, and you can also see the abnormally fast reaction of his brain! He can actively avoid enemies without giving predators a chance. He moves very fast, his tail can maintain balance, his bones also play a very good role, and his claws can climb. His movement can be considered perfect.

How do lizards reproduce? His mode of reproduction is oviparous. He lays his eggs beneath a layer of warm, dry sand. The egg shell can retain moisture and protect against hard objects. It takes 9 months for the egg to hatch. In this way, the lizard cannot take care of the eggs, not only because it takes a long time to hatch, but also because it is a cold-blooded animal and needs to constantly change its temperature and bask in the sun according to the environment. It can be seen from this that lizards do not require water to lay eggs and can reproduce completely on land. I think lizards are very capable of reproducing because they are genetically diverse.

The lizard was very happy because his survival was perfect. This is because the lizards were trying to survive on land so freely.

02 Wu Zihao: The witty lizard

When it comes to lizards, we I often think of lizards that are cold-blooded, ruthless and cruel, but in fact lizards are different. Lizards are widely distributed and can be found as far away as the Gobi Desert, tropical rainforests, and as close as the doorstep of residential communities. This shows that they have a particularly strong ability to adapt to the environment and can survive in various conditions.

First, let’s take the lizards in the Gobi Desert as an example. The scales of lizards in the desert are very compact and very dry, and the hardness of their skin is not very high. Because the desert environment is harsh and there are few animals and plants, the lizards here do not have many natural enemies. The scales are hard because there is too little water in the desert, so the scales can only be made more compact to minimize the evaporation of water and maintain its own moisture as much as possible. In addition, lizards in the desert are generally yellow, consistent with the color of the sand, and can effectively conceal themselves, making it difficult for enemies and opponents to detect them. In addition, lizards in the desert do not need to change color after they have acquired yellow color. This is because the desert does not have as many colors as the rainforest, and just one yellow can camouflage it.

Then, let’s learn about the lizards in the tropical rainforest. The skin of lizards living in tropical rainforests is very moist and the gaps between the scales on their bodies are relatively large. They do not need to store too much water. The moisture and humidity in the rainforest are inherently large. The skin of lizards in the rain forest is relatively hard. There is more food in the rain forest and there are many predators, so the lizards need a hard body to protect themselves. In addition, lizards in the rainforest are particularly good at changing color. As the color of the environment changes, the color of their bodies will also change, allowing them to better camouflage themselves. This is why lizards are called chameleons. In addition, if you look closely at the lizard's ears, you will find that its ears actually only have a small hole and no pinna. This is because the environment they live in is relatively complex, and it is easy for foreign objects or dirt to get into their ears. If foreign objects enter the ears, their ears will become inflamed and even lose their hearing. Without a pinna, their hearing can be effectively protected. The key is to combine the shape and movement of lizards. They tend to lower their bodies so that they can rely on the ground to conduct sound to the greatest extent, so there is less demand on the auricles. Lizards' nails are also very sharp and have strong grip, which gives them strong attack power. They use their fangs to hunt and defend themselves. If you encounter danger and these skills are ineffective, the lizard will use its unique trick to survive by cutting off its tail. That is to say, the tail is actively cut off to attract the opponent's attention. The opponent will be attracted by the active docked tail, and it can take the opportunity to escape. Some people may ask, does this not hurt the lizard? The answer is no. This is because its tail connection is relatively weak and there are relatively few nerves, which allows it to easily shed its tail.

Finally, let me tell you a little trivia. Lizards are also very ancient creatures. If you look closely at a lizard, you'll notice that it looks very much like a crocodile. We know that crocodiles existed hundreds of millions of years ago and are called living fossils. In fact, lizards are older than crocodiles. Lizards can be called the ancestors of crocodiles, so lizards are the older living fossils.

We can learn a lot from lizards. For example, lizards survive by cutting off their tails and abandoning their tails in exchange for life. Sometimes we can also adopt this wisdom. For example, if there is a fire at home, we need to get out of the dangerous place as soon as possible. We cannot be greedy for money and abandon money to survive. Preserve our most precious life. In addition, we should learn from the super environmental adaptability of lizards. They can survive in various harsh environments. We can learn from their characteristics, maintain a strong will, and actively adapt to various living environments optimistically. , let yourself become stronger and stronger, and your life will be better and better. What have you learned from lizards?

03 Hao Yijing: Lizard

Lizards are also called chameleons and have color-changing cells. It's called protective color. For example, when he is in the desert, the lizard's scales will turn khaki and blend in with the desert. This is a protective color. Lizards are very adaptable, so they are not a rare species. It is similar to a frog in that it also uses its tongue to hunt, has scaly skin, and has a long tail. It has claws on its feet and can climb walls like a gecko. Unlike frogs, lizards are not amphibians, but animals that live entirely on land and eat insects and meat, such as some miniature birds, fish and frogs. They have developed brains and strong muscles. But it is smaller in size. The tail can be docked or hidden after encountering a natural enemy, so the color-changing cells are very useful.

Is the lizard’s breathing as bad as that of a frog? Do you also need to use your skin to assist breathing? If it uses its skin to assist breathing, it needs to keep its skin moist at all times. However, because there is no water in the desert, this proves that the lizard has a strong breathing ability. Because there is no water and sand in the desert, it cannot use its skin to assist breathing, so He can only breathe with his lungs, and if there is a sandstorm, the breathing holes in his skin will be blocked, and he will be unable to breathe and suffocate to death. And the lizard sometimes has to run, so it needs a lot of oxygen, so it needs strong lungs.

Lizards can also climb walls. They have claws and nails that can hook people and are very sharp, which can help it find food and also help it attack. When lizards find food, they use their senses: ears, mouth, tongue, eyes and feet. The eyelid's eyes are magical. They don't need to focus. They can turn in a single direction. The left eye looks to the left and the right eye looks to the right. They are not like our eyes, which either look to the left or both look to the right. Some species of lizards have tongues that can sense temperature. Lizards attack very quickly. Because lizards have well-developed limbs, their nerves are very good and developed, and their center of gravity is very stable, so they can run very fast.

Let’s talk about the reproduction of lizards. How do lizards reproduce? Is it oviparous? Is it a mammal? Not really. When lizards reproduce, they lay eggs. Like birds, it takes nine months for eggs to hatch on land. So why do lizards lay eggs instead of eggs? First of all, raw eggs are nutritious and can be eaten. The eggshell can also protect them. They are moisturizing and heat-insulating, which is more suitable for breeding in the desert. But the mother lizard cannot take care of the eggs of the baby lizard, because lizards are cold-blooded animals, so they need to climb on rocks to bask in the sun every day when they sleep. If the eggs are hatched without sunlight, they will hibernate and will not survive.

That’s why lizards are so amazing. They are like frogs, but they boldly go to land to survive, and can even go into deserts with dangerous environments. It has such strong adaptability and the eyes don't need to focus. These are its advantages.