In which unice-cell microorganisms live in? Tectonics Plates is not a prerequisite for the existence of life. What condition is mandatory for their existence.

Final knowledge check on the topic

1. What kind of structure has the cells of the simplest? Why is it an independent organism?
2. In which environments live unicellular? Why is the presence of water is a prerequisite for their existence?
3. What are the functions of vacuoles in the organism of unicellular?
4. Name the movement organides. What are the methods of movement of unicellular?
5. What ways do the simplest multiplies? Briefly describe these methods.
6. How are the simplest tolerate adverse conditions?
7. Name two or three representatives of the simplest living in the marine environment. What role do they play in nature?
8. Name the ill-known diseases caused by the simplest, and measures prevent these diseases.

What statements are correct?

1. The cell of the simplest performs the role of an independent organism.
2. The reproduction of Amoeba is mineral, and in infusories-shoes - both are punched and sex.
3. The organides of the movement of infusories-shoes are false peennesses.
4. Evglen Green is a transitional form from plants to animals: It has chlorophyll, like plants, and feeds heterotrophically and moves like animals.
5. Amebe has two types in the organism.
6. The small core of the infusoria is involved in sexual reproduction, and greatly responsible for life.
7. Diesentery Ameba transfer mosquitoes.
8. The final owner of the malarious plasma is a person.

Questions:

1. Based on what signs it can be argued that the amoebe cell is an independent organism?

2. Describe nutrition and selection of amoeba.

3. Explain what the role of the simplest in nature is.

4. Set the presence of communication between the habitat and nutrition types are green.

5. Spend a comparison of the methods of reproduction of the Ameba Protus and Evglen Green.

6. Give the rationale for the intermediate position of Evglen Green between the two kingdoms of wildlife.

7. What is the complication of the Organization of Colonial Forms of Zhutikinoscopeans? Explain the answer to examples.

8. Prove on specific examplesthat infusories have a more complex structure than sarcodic and flagellations.

9. Set the relationship between the complication of the structure of the infusorial-shoes and power and selection processes.

10. Describe the features of the process of breeding infusoria-shillry.

11. Explain why the sexual process is not a sexual reproduction. What is his biological meaning?

12. Explain what functions the cell is performed.

13. Name measures amendment of amoebic dysentery and malaria.

14. Word the conclusion about the role of the simplest in nature and their influence on a person.

15. Explain why the simplest cell is an independent organism.

16. Describe the habitat of unicellular. What condition is mandatory for their existence?

17. Explain what functions of vacuoles in unicellular organism are.

18. Set the relationship of the structure and methods of motion of unicellular.

19. Name the features of the adaptability of the simplest to adverse conditions.

20. Describe the role in the nature of two or three representatives of the simplest living in aquatic environment.

21. Name measures preventing diseases caused by the simplest.

22. Name the scholar's name, which was the first to describe the group of the simplest animals.

23. What is common in the structure of the simplest?

24. Why are scientists argue that animals and plants have common ancestors?

25. Explain that the sense of doctors often use the expression of "dirty hands". Give examples of diseases to which it applies.

26. Complete proposals by entering the necessary words.

If the jar is with .... to hold a few days in a dark closet, the color from will disappear. ... will become bright, but they will not die, because in the dark they eat like .... In the light ... again .... and start to eat like ....

27. Insert the missed letters. Give definitions of concepts.

S..MB..Ze - ...

K..Lonia - ...

Cancer .. Win - ...

C..sta - ...

28. Explain that the method of nutrition and the lifestyle of the simplest are connected.

29. Is the statement true: "School chalk, at the walls of the palace and the walls of the pyramid, one source, one basis? Prove your point of view.

What statements are correct?

1. The cell of the simplest performs the role of an independent organism.

2. The reproduction of amoeba is mineral, and in infusories-shoes - both the most intimate and sex.

3. Fallencoas are organodes of the movement of the movement of infusoria-shoes.

4. Evglen Green is a transitional form from plants to animals: It has chlorophyll, like plants, and feeds heterotrophically and moves like animals.

5. Ameba has two types in the organism.

6. The small core of the infusoria is involved in sexual reproduction, and greatly responsible for livelihoods.

7. Dysenteric Amebe transfer mosquitoes.

Describe the habitat of unicellular. What condition is mandatory for their existence?

Answers:

The fabul's simplest (single-celled) live only in aquatic environment. (from the seas, to droplets on the moss "pillows" swamps, in the established soil, inside plants and animals). Mandatory conditions - the presence of water :)

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1. What building has the cells of the simplest? Why is it an independent organism?
The cage of the simplest performs all the functions of an independent organism: it feeds, moves, breathes, processes food, multiplies.

2. In which environments inhabit the unicellular? Why is the presence of water is a prerequisite for their existence?
The simplest dwells only in the aquatic environment, because they breathe dissolved in water with oxygen and can only move in a liquid medium.

3. What is the function of vacuoles in the organism of unicellular?
In the body of unicellites there are digestive and contractile vacuole. In the digestive vacuole, the food digestion occurs, the contractile vacuum displays harmful substances and excess water from the cell.

4. Name the movement organoids. What are the methods of movement of unicellular?
Ameb moves with the help of falselyon, as if flowing. Evglen Green moves due to the rotation of the flagella, and the infusoria moves due to the vibrational movements of the cilia.

5. What ways do the simplest multiplies? Briefly describe these methods.
Representative of the sarkodic and flagelonian type representatives multiply with a petty way. Initially, the kernel is divided in half, and then a hauling is formed that dividing a cell into two full-fledged organism.
The simplest type of infusoria is peculiar to the sexual process, in which the increase in the number of individuals does not occur. Sexual method redistributes genetic material Between individuals, increases the biological resistance of organisms.

6. How are the simplest tolerate adverse conditions?
At the occurrence unfavorable conditions (Low water temperature, drying place of habitat) The simplest is distinguished around their protective shell - the cyst. In a state of cysts, the body can wait for the onset of favorable conditions or, with the help of wind, move to another habitat.

7. Name two or three representatives of the simplest living in the marine environment. What role do they play in nature?
In the marine environment they live in radolation, foraminifera. They are involved in the formation of sedimentary breeds.

8. Name the diseases known for you caused by the simplest, and measures prevent these diseases.
Amoebic dysentery, malaria. To prevent these diseases, the rules of personal hygiene should be followed, the fruits and vegetables are thoroughly soaked before eating, to use the means of protection against mosquitoes.

What statements are correct?
1. The cell of the simplest performs the role of an independent organism.
2. The reproduction of amoeba is mineral, and in infusories-shoes - both the most intimate and sex.
4. Evglen Green is a transitional form from plants to animals: It has chlorophyll, like plants, and feeds heterotrophically and moves like animals.
6. The small core of the infusoria is involved in sexual reproduction, and greatly responsible for livelihoods.

As a rule, when searching for inhabited planets and life on other planets, scientists are looking for bios signals from atmospheric carbon dioxide. On Earth, atmospheric carbon dioxide increases the surface temperature by means of a greenhouse effect. Carbon also goes into depths and back to the atmosphere during natural processes.

"Vulcanism allocates gases into the atmosphere, and then during weathering, carbon dioxide is pulled out of the atmosphere and is absorbed by surface rocks and precipitation," said Bradford Fowie, Associate Professor of Geophysical Sciences. "The balancing of these two processes keep carbon dioxide at a certain level in the atmosphere, which is very important in order for our planet a moderate climate suitable for life."

Most of the land volcanoes are on the border tectonic platesWhat is one of the reasons why scientists believed that their existence is necessary for the existence of life. It was about the fact that one plate enters deeper into the surface under the influence of collisions with another plate and this affects the carbon cycle as it introduces carbon into the mantle.

Planets without tectonic plates are known as congestive planets. On these planets, the bark is one gigantic spherical plate floating on a mantle and not consisting of separate parts. They are considered more common than planets with plate tectonics. At the same time, the Earth is the only planet, on which the very existence of tectonic plates is confirmed.

Foli and Andrew Smya, Associate Professor of Geophysical Sciences, created a computer model of the life cycle of the planet. They looked at how much heat can preserve its climate depending on the initial stock of heat or the number of fuel elements formed during the formation of the planet. We are talking On the elements separating heat at the time of decay. On Earth, the decay of uranium produces thorium and heat, and the decomposing thorium produces potassium and heat.

After hundreds of simulations, according to which the size changed and chemical composition Planets, researchers found that congestive planets can support the conditions for the existence of liquid water for billions of years. In the most extreme case, they could maintain life for 4 billion years, that is, the entire current period of the existence of the Earth.

"The monolithic planets also have vulcanism, but its processes are much shorter than on the planets with the tactics of the slabs, because there is no mobile dynamics," said Smaray. "Volcanoes lead to a sequence of lava flows, which over time lay down on each other as layers of cake. Heating cliffs and precipitation is much higher at the depth. "

As a result, the researchers discovered that with enough high temperatures And the pressure of carbon dioxide can exit rocks to the surface, which is called degassing. On Earth, according to Sumy, the same process occurs with water in the zones of subduction faults.

This degassing process increases depending on which types and number of calorific elements are present in a certain place of the planet.

According to the model of researchers, which was published in the July issue of AstrobioLogy, the presence and number of calorific elements were much better indicators of the potential of the planet to maintain life.