What are the elements of an ecosystem?
What things form part of the biotope?
What things form part of the biocoenosis?
What is the difference between a population and a community?
Explain the difference between intraspecific and interspecific relationships. Give examples.
Which are the trophic levels in a trophic relationship?
What organisms are producers?
What type of organisms feed on secondary consumers?
What do decomposers do in an ecosystem?
What is the difference between a food chain and a food web?
What type of ecosystem is a garden in the city?
What is water salinity?
What are the most important environmental factors in terrestrial ecosystems?
What are the six main types of terrestrial ecosystems.
Where are the largest wetlands in Europe?
Where does pollution come from?
What can happen when plant species disappear?
After a fire, what can happen to the soil in the forest?
Why do people cut down forests?
Define sustainable development and name some of the changes we can make.
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