A systematist is a scientist who collects data from different areas of biology. Systematics is always interested in the latest work of paleontologists, geneticists and other specialists. New data sometimes changes the location of a species in the wildlife system
Secondary education and schools 2024, September
Huge species diversity in nature gives rise to a variety of types of relationships between organisms. Living beings cannot escape the negative impact of nearby species. At the same time, the course of evolution contributed to the formation of diverse adaptations of living organisms to the environment. One type of interaction between organisms is commensalism
The natural unity of the world is an amazing interdependence of all phenomena. Nature maintains the balance of substances and maintains harmony for life. Nature is like a living organism. Moreover, the natural unity of the world is manifested in the similarity of the structure of all living organisms. There is a hypothesis about the origin of all creatures on the planet from one cell
Nature has created pupils of various shapes. Each such form suits its owner in the best possible way and helps in the struggle for existence. The eyes of cephalopods are amazing, often having pupils of irregular shape. Admire the pupils of geckos, they are like beads. Diverse amphibian eyes
Insects have different types of mouthparts. Even in one species of arthropod, its type can change during life when the stage of development changes. This is due to the need to switch to another diet. So, caterpillars feed on the pulp of leaves and have gnawing mouthparts. Butterfly's mouthparts are intended only for the consumption of liquid food
Geographic speciation is a very common process on Earth. Because the planet has a sufficient area for the wide settlement of living organisms. At the same time, climatic conditions and various biotopes lead the course of evolution, each in its own direction. Several million species of living organisms exist on the planet due to the rich diversity of habitats
All fish connoisseurs know that turbot is one of the most delicious, but also expensive pleasures. Why is it so highly valued among gourmets? Where does it live and is there a threat of extinction of this species due to commercial catch? You can read about all this in the article
Proteins are high-molecular organic substances that consist of alpha-amino acids that are connected by a peptide bond into a single chain. Their main function is regulatory. And about what and how it manifests itself, now it is necessary to tell in detail
Procopius of Caesarea in his work "The War with the Goths" (553) wrote that the Slavs are people of "tremendous strength" and "high stature". He noted that they revere nymphs and rivers, as well as "all sorts of deities." The Slavs make sacrifices to all of them and "do fortune-telling" with the help of these victims
It seems to almost all of us that we can define any concept from the curriculum of a comprehensive school without any problems. For example, amphibians are frogs, turtles, crocodiles and similar representatives of the flora. Yes, that's right. We can name some representatives, but what about describing their characteristics or lifestyle? For some reason, they were singled out in a special class? What is the reason? And what is the rule?
Shaft - what is it? It turns out that this short word has many meanings. It is applied in several areas of life. For example, in engineering, economics, architecture. It also has a figurative meaning. Detailed information that this is a shaft will be given in the article
Destination is an interesting and mysterious word. Because when it comes to a knife or a fork, you can still say something. And when the question of a person is raised, then here many fall silent, because it is not clear what exactly is worth saying. There are too many definitions that a person easily absorbs into himself. But today we will not let ourselves be knocked off the pantalik and we will talk first of all about the meaning of the word “appointment”, and the rest will be as it turns out
The Order of the British Empire was founded at the beginning of the last century, and for a hundred years it has been awarded to a wide variety of famous personalities. Several of them with a brief biography are written in the article
The geographical position of Spain and the peculiarities of its rapid (emotional!) historical development have largely contributed to the fact that now the birthplace of flamenco and bullfighting has turned into a "solarium" of world significance. Today, this southern European state has become a well-known tourist destination. This is not surprising - it seems that the sun never sets here
Domestication is a process during which the lifestyle of a wild animal is significantly changed. What animals could get along with a person and began to benefit him? A wild dog was needed for hunting and protection, cattle and birds brought meat and milk, horses were an excellent means of transport, and cats helped get rid of rodents. Domesticated animals easily took root in human society and became its indispensable companions and helpers
Teaching experience consists of years worked. Those who were trained before 1992 have the opportunity to include training at the institute in their total work experience. In this article, we will tell you in detail what is included in the pedstay and how you can get it
Reading classical Russian literature of the 18th - 19th centuries, modern schoolchildren sometimes stumble upon words that have not been used in everyday life for a long time. They became archaic, they were no longer needed. An example of one of these words is "pompous"
The article briefly describes the hypotheses of the origin of viruses, as well as their classification and impact on humans and the environment
Consider the classification of fluctuations, the nature of their occurrence. Let us dwell in more detail on the areas of practical application of oscillatory movements
An integral part of any living organism that can only be found on the planet is the intercellular substance. It is formed from the components known to us - blood plasma, lymph, collagen protein fibers, elastin, matrix, and so on. In any organism, cells and intercellular substance are inextricably linked
Cultivation of plants is the cultivation of plants or plant cells in artificial conditions. Cultivation is necessary to develop and increase yields. Currently, there are several methods of plant breeding, consider modern technology and agrotechnical method
There are many different professions in our world. Some of them are fascinating, others are complex, and some are romantic. Each of them is useful and necessary for people in its own way. But there is one profession that combines all of the above. It is fascinating and romantic, but at the same time very complex. This profession is an astronaut
Wind direction can not only affect the course of a sailing regatta, giving the right to move some participants and forcing others to give way, it affects the formation of climate. The lee side of the mountain is very different from the opposite side due to the direction of the air masses
Combining green with red, you can see that when they are completely mixed, white is obtained. This says only one thing: their merging creates a perfect harmony that will never collapse. However, it is necessary to take into account the fact that not all shades of green are suitable for a red tone. That is why you need to follow some rules and rely on well-known facts
Why does an active lifestyle create a worthy alternative to drinking, smoking and other vices? There is a perfectly physiological explanation for this
In the article we will teach you how to properly structure an essay on the topic "Good" and give examples of what thoughts and directions for reasoning can be used
What is kindness in the understanding of society is the desire of a person to help, while not expecting or asking for something in return. But for some reason, it is becoming less and less in the world … New ideals and worldviews, new time. Now kindness is not a profitable investment at all: no promotion, no popularity, no money. How to return this quality to people's lives and become kinder yourself?
Today, the role of the educator in the mental and social development of the child has increased significantly, since the baby spends more time with him than with his parents. A professional in his work becomes one who, in practical work with children, seeks to show creative initiative, use new methods and technologies. Daily lesson planning will help the teacher to realize his skills to the fullest
What is a verbal adjective? What is the difference between this part of speech and participles formed, it would seem, in the same way? What is the significance of the origin of an adjective for the spelling of its suffix? In order to answer these questions, it is necessary to define the terms and what they mean
This group of dependent parts of the proposal is heterogeneous in its composition. The questions asked from the main part to the adverbial clause are exactly the same as those of the secondary member of the same name. In total, linguists distinguish 10 varieties of such sentences. Let's take a closer look at them
To teach a child to quickly count and solve problems in the first grade is one of the main tasks of a teacher and a parent. To get a powerful knowledge base and be able to implement them in the future, it is necessary to conduct first grade training only in the form of a game
Why is winter coming? How to correctly and interestingly explain to children the reasons for the onset of winter? What interesting facts from the discoveries of scientists to tell?
Mountains are different: old and young, rocky and gently sloping, domed and peaked. Some of them are covered with dense forests, others - with lifeless stone placers. But in this article we will talk about their height. Which mountains are medium and which are considered high?
Currently, educational organizations are tasked with the formation of general educational skills and abilities of students. The teacher does not just transfer scientific knowledge about modern reality to children, but teaches them to independently acquire knowledge. Within the framework of the new educational standards, each child builds his own (individual) development trajectory
Who are called innovators? What character traits do they have? What is collaborative pedagogy?
Let's analyze the definition of electrical energy used in physics, as well as the possibilities of obtaining it, the specifics of the application
How to make beautiful handwriting? Is it possible? The article describes effective ways and exercises that will improve the style of writing
Where is Lake Taimyr? It is located in the Krasnoyarsk Territory, at the southern foot of the Byrranga mountain range. Is Lake Taimyr drained or drainless? The Lower Taimyr River flows out of the reservoir. It carries its waters into the Kara Sea, into which it flows a little to the west of Cape Chelyuskin. That is why Lake Taimyr is referred to as waste water bodies. It belongs to the Arctic Ocean
As a rule, there is a certain sign. Peculiar to a certain people, era, social environment. Example: characteristic dances, characteristic roles. Or a recognizable feature of a person, peculiar only to him, and only to him
One of the fundamental sections of mathematical analysis is integral calculus. It covers the widest field of objects, where the first is the indefinite integral. It is worth positioning it as a key, which even in high school reveals an increasing number of perspectives and opportunities that higher mathematics describes