How to draw up a diagram of the food chain characteristic of the steppe zone? Food chain of the steppe zone Model of the food chain characteristic of the steppe.

The food chain is a sequence of interactions of living organisms, during which the transfer of matter and energy is carried out. Simply put, she says who eats whom in what order.

Who eats whom in the steppe

Steppes are open treeless arid spaces; it is hot and dry in summer and cold and windy in winter. Of the plants, herbs predominate here, in the first place - cereals; they are at the base of the local food chain (like almost any other, however), since only they can create with the help of sunlight(energy) from minerals organic. They are eaten by herbivores; in the steppes, these are both invertebrates (primarily insects, but also other arthropods, mollusks, etc.) and vertebrates (rodents, ungulates, some birds, etc.). Those, in turn, are hunted by predatory steppe vertebrates and invertebrates. It happens that one predator becomes the prey of another. In this case, the length of the supply chain increases.

What are the food chains in the steppe

Considering the above, consider concrete examples what the following food chains can be in the steppe:

• grass - locust - falcon kestrel. This is a short supply chain;
• grass - hare-hare - fox - eagle-eagle. This food chain already includes two predators;
• grass - ground squirrel - yellow-bellied snake - steppe eagle;
• grass - green grasshopper - steppe viper;
• grass - locust - gray grasshopper - praying mantis - eared hedgehog - steppe fox corsac - steppe eagle.

In the latter case, we see as many as seven elements in the food chain (the gray grasshopper also acts as a predator here, since it is able to feed on insects). In fact, food chains can be even longer.

The food chain in the steppe can also include humans. Then it might look like this:

grass - saiga - man.

In the past, in prehistoric times, it happened that a person himself could get into the food chain not only as a predator, but also as prey.

Any species of steppe animals and plants is a component of at least one, and usually several, food chains.

In the past, there were endless steppes in the steppe zone. Now they are plowed almost everywhere, fields have taken their place. The preserved areas of the steppes with their wonderful flora and fauna must be protected.

Using the map in the tutorial, color in contour map (The world 4th grade, p. 36-37) steppe zone. To select a color, you can use the "key" below.

What zone, located between the steppes and forest zones, remained unpainted? Paint it at home.

Answer: Forest steppe

Our inquisitive Parrot knows something about the steppes. Here are some of his statements. Are they true? Circle "Yes" or "No". If not, correct the mistakes (orally).

a) The steppe zone is located to the south forest zones. Answer: Yes
b) The steppe zone has a cold, rainy summer. Answer: No
c) The soils in the steppe zone are very fertile. Answer: Yes
d) Tulips bloom in the steppe at the height of summer. Answer: No
e) In the steppe there is a bustard - one of the smallest birds in our country. Answer: No

Seryozha and Nadya's mother asks if you know steppe plants. Cut out the drawings from the Appendix and place them in the appropriate boxes. Check yourself in the textbook. After self-testing, stick the drawings.

And this task was prepared for you by Seryozha and Nadia's dad. Learn steppe animals by fragments. Write the names of the animals. Ask a student sitting next to you to check on you.

Draw a diagram of a power supply circuit for steppe zone. Compare it with the scheme proposed by a neighbor on the desk. With the help of these diagrams, tell about the ecological connections in the steppe zone.

Feather grass - Filly - Steppe lark - Steppe eagle
Tipchak - Hamster - Steppe viper

Think about what environmental problems of the steppe zone are expressed by these signs. Formulate and write down.

Suggest conservation measures to help solve these problems for class discussion.

Continue filling out the poster "The Red Book of Russia", which was drawn by Seryozha and Nadia's dad. Find on the poster a plant and animals of the steppe zone and sign their names.

Thin-leaved peony, steppe eagle, bustard, steppe dyke

8. As instructed by the textbook (p. 117), draw the steppe.

9. As instructed by the textbook (p. 117), prepare a report on the plants and animals of the steppe that are of particular interest to you.

Post subject: Bustard

Message plan:

1) Preface
2) Basic information
3) Conclusion

The bustard is recognized as the heaviest of the flying birds, this inhabitant of the steppe mainly moves on the ground and runs quickly in case of danger. Individuals are considered omnivorous, in their diet plant food (seeds, shoots, wild garlic) and animals (insects, rodents, frogs), in mating season males perform a spectacular dance.
Dimensions:
Length: males up to 105 cm, females from 75 to 80 cm
Weight: males up to 16 kg, females - up to 8 kg
Lifespan: 20-25 years
The bustard is predominantly a steppe bird. It lives on open plains without copses, meadows and fields. This is due to the caution of the birds, since the free space there is far visible. During nesting, individuals stop at areas with high vegetation. There are also cases when bustards nest among grain crops, sunflowers and other crops.

Source(s) of information: Internet, encyclopedia

"Animals of the steppe" - Lev. Rare and endangered species of plants and animals. Bustard. Environmental problems steppes. Spring in the steppe. Jerboa. Bumblebee. Bustard. Animal world steppes. The feather grass is blooming. African bustard. filly. The African bustard is the heaviest flying bird! The weight of the bustard is up to 19 kg. Lion and lioness. Vole. There are almost no steppes left in the steppe zone!

"Zone of the steppes" - natural conditions forest-steppes and steppes. Wolf. The crane is a beauty. Ferret (steppe). Meadowsweet six-petal. The steppe has very fertile soils - chernozems. Marmot. They are distinguished by an abundance of solar heat. Make 1-2 food chains that have developed in the steppe. Summer in the steppes is longer than in the forest zone.

"Steppe zone 4 class" - Additional material. Hamsters, plants, steppe viper. Botanist's story. Storytelling from an ecological point of view. Individual work by cards. Gray partridge, plant, steppe eagle, insects. Summarizing. Food chains that have developed in the steppe. Consolidation of the studied material. "Zone of the steppes" 4th grade.

"Forest and steppe" - Ecologists. Zoologists. Plants. Forest protection. Steppe zone. Make food chains. Forest problems. Ecological problems of the forest zone. Botany. shrub. Natural forest area. Group work. The meaning of the forest. Fizkultminutka. Check yourself.

"Natural zone steppe" - Animals of the steppe. Chernotelka. Insects of the steppe. Hedgehog. Volosnets or grate sandy. Little bustard. Steppe forbs. 3. Where do steppe animals store food? in a hollow, in a hole. Iris. Card - "help" No. 1. Bustard. Steppe birds. Partridge. Predators of the steppe. Thyme. Onion. Natural zone - STEPPE. Shot open.

"Lesson Steppe Zone" - Saline. cacti. 7. Kingdom of permafrost. 3. What zone are we talking about: “There is a path to all sides: no forest, no mountains! Eared round head. In desert. 5. Add: natural ... .. . Poppies. 1. The steppe zone is located in ... our country: a) the north; b) east; c) south. 5. The main occupation of the population of the steppes is: a) agriculture; b) fishing; c) reindeer husbandry.

The steppe is a place where there is little vegetation, trees, because they need to endure a long drought. The peak of their development is in the spring.

A short chain is, for example, a blackberry-lemming-arctic fox.

Longer: snake-spider-mantis-grasshopper-grass.

In this picture, you can see several food chains, for example, feather grass-gopher-fox, butterfly-lizard-falcon, buzzard.



The climatic conditions of the steppe are not the most comfortable - in summer the scorching rays of the sun dry up the earth, in winter it is very frosty, and winds walk along the plain, but, nevertheless, the flora and fauna of the steppe zone is quite diverse. As for food preferences, each inhabitant of the steppe has its own, it will not be possible to draw up a single nutrition scheme. Looking at the picture, let's try to make several food chains:

Cereals and sedges - vole - fox;

Grass (plants) - saiga - wolf;

Grass - butterflies and larvae - lizard - buzzard (falcon);

Plants - mouse (gopher, mole rat, marmot) - steppe eagle;

Cereals and sedges - gopher - ferret, etc.



Plants are the first link in this chain. Next will go herbivores and insects, the next and last link are predators and animals that feed on carrion.

Examples of such chains that are typical for the steppe are:

blackberry lemming arctic fox (this is a small chain that consists of only three links).

snake spider mantis grasshopper grass (this is already a larger chain, it consists of five links).

To do this, you need to know what grows in the steppe. And what kind of animals live in this area. Of the plants there are shrubs, trees do not grow in the steppe. There are many cereals. Many birds fly. Saiga and steppe wolves run.

Here is an example of such a chain: cereals - mouse vole - ferret - steppe eagle. Look at the animals and identify your patterns. There are many of them, you can even build a chain of five links.







Draw a power circuit diagram for the steppe zone can be studied by studying the flora and fauna characteristic of the steppe. Who lives in the steppe? These are golden eagle, steppe wolf, steppe hare, steppe eagle, steppe fox, saiga, bustard, lizard, kestrel, field lark, jerboa, eared hare, ground squirrel, yellow-bellied snake.

Animals must be poisoned in such a way that at the first level there are producers (plants, insects, worms), at the second - consumers of the 3rd order (herbivores), then consumers of the 2nd order (small carnivores) and the typical consumers of the steppe zone should complete the food chain 1 order (carnivorous, feeding on small carnivores).



To make a food chain for a particular natural area, you need to know what animals live in it, what plants grow.

For the steppe zone, for example, the following food chains can be compiled:

grass - saiga - wolf

cereals - vole - owl

insects - hamster - steppe wolf

All animals and plants that live and grow in the steppe participate in food chains. Each of them is a link in the food chain. Therefore, the destruction of at least one link leads to the disappearance (extinction) of other animals. This is how ecological connections in the food chain are manifested. For example, in relation to the steppe zone: if for one reason or another (for example, drought) the vegetation in the steppe disappears, saigas, voles, hares and other herbivores will have nothing to eat. Accordingly, the population of these animals will decrease. Following the herbivores, the number of predators will decrease, as they will also lack food.



It all starts with the fact that the first chain element will be the strongest and oldest.

Indeed, in the steppe zone, the smallest animal, or insect, will be the weakest.

The complete item can be seen in the picture.



The steppe is not very rich in flora and fauna, however, you can make a food chain and more than one.

Vegetation - hare - fox.

Insects - marmots - wolf.

Vegetation - steppe pied - steppe polecat.

Locusts - multi-colored foot-and-mouth disease - steppe viper.

To begin with, let's analyze what kind of climate and what kind of vegetation grows in the steppes.

1) It is very hot in the steppes in summer, the summer is dry. In winter it is very cold. Nevertheless, not a small number of animals, birds and all kinds of insects live in the steppes.

2) There are no trees in the steppes, but many different shrubs and cereals grow.

And each creature has different food preferences to a degree, and therefore there is no unambiguous food chain for the steppe.

I found a plausible power circuit on the Internet, here it is:



From this it follows that the following animals, birds and even reptiles are at the head of the food chain for the steppe zone:

1. steppe polecat
2. Steppe Buzzard Eagle
3. Kestrel
4. Steppe viper.

• We know that the climate in the steppe is usually arid and hot, yes Cold winter with the winds, respectively, animals and plants are somewhat different from forest ones. Take these steppe inhabitants Yes, and we will make such interesting food chains. Here they are, look :) simpler) blackberry berries lemming (this is a rodent) serves as food for - polar fox.

  More complicated: a snake is a hunter of spiders, which in turn feed on praying mantises, and he, in turn, eats grass.

  And one more thing: grain that serves as food for the half-mouse, which is caught by the bird of prey eagle owl. There are many examples where everyone eats someone, yes.

  

In nature, everything is interconnected with each other. Animals and plants living in the same natural area constitute a certain food chain. It represents the absorption of sunlight, water, certain elements by plants. inanimate nature and converting them to organic matter. Then these substances and the plants themselves become food for representatives of the animal world. Smaller and herbivorous animals are eaten by predators. Next come the scavengers, feeding on decay products. This whole sequence is the food chain or food chain.

Each zone of the earth is characterized by a certain food chain. It depends on the representatives of the flora and fauna that are represented in this area. The food chain also includes microorganisms. Typically, the food chain begins with smaller representatives of the zone. For example, in water, it originates from algae or small unicellular organisms. Then come herbivores: crabs, crayfish, mussels, oysters. Plankton in water bodies plays a huge role, as it is the main source of the food chain.

For sushi, plants are the primary source of the food chain. This is followed by herbivores and insects: ungulates, rodents, birds, reptiles. Herbivores are eaten by carnivores and carrion eaters.

Steppe is a territory located on a plain, in subtropical and temperate zones both hemispheres. The steppe is characterized by herbaceous, low-lying vegetation, and a small number of trees.

The food chain in the steppe is due to the presence of representatives of the flora and fauna characteristic of it. Among the plants, feather grass, wormwood and other steppe grasses predominate. They tolerate drought well, do not require a large number water. Their vegetative system is arranged in such a way that the main peak of their development falls on the spring period. It is at this time that the most favorable conditions are created. The fauna of the steppe is represented by ungulates, rodents, reptiles and insects. Ground squirrels, jerboas, marmots are very common. The family of birds is represented by steppe eagles, bustards, larks, etc.

The food chain of the steppe zone may look like this: blackberry - lemming - arctic fox. This is a small, three-link food chain. A longer one can be represented as follows: snake - spider - praying mantis - grasshopper - grass. There are many food chains in the steppe. They involve all the animals and plants that live in this zone. It is a bond that cannot be broken or severed. The destruction of at least one link will lead to the disappearance or extinction of other animals.

AT recent times the situation with the extermination of the animal and flora became catastrophic. People with particular cruelty crack down on the innocent inhabitants of not only the steppes, but also other natural areas planets. Poaching is suppressed by law, but continues to flourish. Conservationists of all countries are sounding the alarm. Unfortunately, it is no longer possible to return some species of animals and plants. They are irretrievably lost. Urgent action is needed to prevent the extinction of some endangered species.

Man is one of the links in the food chain. He became the main predator. Therefore, by destroying animals and plants, humanity endangers, first of all, its existence. Violating the ecological balance in nature, we put our future at risk. Nature is capable of self-regulation through natural selection. But if a person intervenes in this process, then she is not able to recover without his help. Protect the environment! This is the irreplaceable wealth of the earth.

Actual