1. Choose the right option.
1. Ecology is a science that ____________________________
a. has no practical applications in everyday life
b. has a limited field of application
c. needs no contribution from other sciences
d. is multidisciplinary
2. An ecosystem ____________________________
a. can be of any size
b. is not affected by relations between individuals of the same species
c. can only be terrestrial
d. is not part of a biome
3. Air pollution affects ____________________________
a. human health
b. climate
c. precipitation
d. all of the above
4. Climate change ____________________________
a. will have serious social, economic and political consequences
b. is not connected to global warming
c. has never been studied
d. has become a matter of concern since the 1930s
5. Nuclear energy ____________________________
a. has no disadvantages
b. produces waste which is dangerous to deal with
c. is a valid alternative to fossil fuels
d. produces toxic gases
6. Hydrogen is ____________________________
a. polluting
b. largely used
c. difficult to store and distribute
d. not good for vehicles
2. Answer the following questions.
1. What are the objectives of ecological studies?
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2. How can ecosystems be roughly divided?
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3. What are the main forms of environmental pollution?
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4. What long-term effects can global climate change lead to?
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5. What are non-renewable energy sources?
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6. What energy sources can be considered ‘environmentally-friendly’? Why?
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