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10. Fill in the blanks using the following words.
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10. Fill in the blanks using the following words.
Phenomena, data, species, nucleus, hypothesis, data, analysis, medium
1. Ecologists studied all the _________________ that had led to the catastrophe in this region.
2. The __________ was confirmed by the __________ obtained in the experiments. 3. We will be ready to finish the ___________ of our results after getting some additional ________.
4. A lot of endangered _________________are included into the Red Book.
5. The cell consists of the ___________ and a mass of protoplasm.
6. Most living things can’t live in aggressive _____________ because it destructs their vital organs.
11. Choose the correct item.
1. Ecology is the study of ___which includes all their characteristics: structure, functions, origin, evolution, classification, interrelationships, and distribution.
a)living standards
b)ecological systems
c)internal structure
d)external structure
2. Ecologists have made a great___ to world science.
a) contribution
b) amount
c) distribution
d) revolution
3. Biologists have saved millions of lives by discovering the___ of many diseases and methods of their prevention and cure.
a) principles
b) roots
c) errors
d) causes
4. Fungi obtain their energy from the___ of organic compounds.
a) catabolism
b) metabolism
c) anabolism
d) analysis
5. The principles of operation of the transmission electron microscope (TEM) are very___ to those of the compound light microscope.
a) different
b) popular
c) familiar
d) similar
6. Food is broken down during a process called ___.
a) conversion
b) digestion
c) combination
d) generation
7. Homeostasis ___ an organism ability to maintain constant or stable conditions that are necessary for life.
a) refers to
b) comes to
c) goes to
d) directs to
8. There is an enormous ___of life on the planet: from the microscopically small bacteria to the giant organisms.
a) variety
b) society
c) vitality
d) validity
9. All living things take in food from which they obtain matter for growth and energy for ____.
a) supplement
b)movement
c)nourishment
d)astonishment
12. Fill in the blanks with the proper words from the list below.
| sources divert destruct survival relationships affect fierce poisonous coexistence severe provide extinction promote accessible |
1. Human’s survival on Earth depends on ecological …………………throughout the world (contacts between people or countries). 2. Fish contaminated with …………. substances may be sold in markets and people may get sick from eating them(hazardous). 3. When animals lose their habitats they are threatened with ……….. (to be no longer in existence). 4. Many species of plants and animals ……………. people with necessary food and medicine (tomake sth available for sb) 5. Since fresh water is not always …………. in different countries millions of people lack the use of clean drinking water and adequate sanitation(easy to use or understand). 6. Greenhouse gases can ……………global warming and lead to disasters connected with climatic disruptions(to encourage or support). 7. Except nuclear stations we can find such …………. as wind power system or solar panels that convert these kinds of natural energy into electricity(a place from which smth comes). 8. As a result of global warming we can observe …….. storms, ………droughts that happened on the Earth during the last several decades (violent; very bad and intense). 9. If people all over the world don’t unite their efforts in the struggle for the prosperity of our planet and for the peaceful ………………of plants and animals on the earth, we will face the problem of ……………in the nearest future (living together at the same time or at the same place; the state of continuing to live or exist).
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13. Fill in the proper words from the list below.
| absorb within turn into store rainfalls pulled bleaching lethal proximity replace degradation enrichment toxic |
1. There is a considerable variation of pollutants at specific locations ……….. the same river through time (inside the range or limits of something). 2. The content of pollutants in the water depends on the ……………to the sea and by prevailing winds(the state of being near some place). 3. Ecologists are working on the problem of nutrient ……………….. of deteriorated water and soil(improvement of the quality). 4. During heavy ……… a lot of farmyards pollutants penetrate into the water that causes widespread ecological damage in the rivers (the total amount of rain). 5. Bright white paper is obtained by …………… with chlorine gas and in this process a dioxin is released as a by-product (making sth white). 6. Most …………… chemicals are very hazardous for people’s health, they induce allergies and problems with respiration (poisonous). 7. Ecological disasters that happen more and more often are able to lead to the full ……………of some areas on the Earth(extreme low in quality). 8. People working at and living near nuclear electric stations are in danger of receiving the ………doses of radiation(causing death). 9. Alternative sources of energy can ……… fossil fuels such as coal, oil and others, and nuclear energy used in industry(exchange sth for sth). 10. Solar panels are able to …………. and …………the sun’s energy on sunny days (to take or draw sth in; to keep). 11. Before the motorcars have become a widespread means of transport, people depended on horses which ………. different kinds of vehicles(to move sth in a special direction). 12. Special machines …… the energy of wind ……… electric power while rotating devices of wind mills (to convert). 11. Scientists have confirmed that climate change happening in distant areas can ……….. directly the weather in the densely populated regions of Europe or Asia ( to influence). 12. The ozone layer that protects the Earth from the dangerous light of the sun is ………. in the process of air pollution(to destroy).
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