What type of ecosystem are lakes, rivers, marshes and estuaries?
Freshwater ecosystems.
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boom
Lose 50 points!
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shark
Other team loses 15 points!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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15
Let's speak! What is pollution?
Pollution is the energy production from fossil fuels and industrial activities that damage the air and water.
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15
Let's speak! Explain three ways of saving forests.
1. Not wasting too many paper. 2. Using recycled paper. 3. Supporting forest conservation.
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15
Name the four main human threats that can disrupt the ecological balance of an ecosystem.
Overfishing, deforestation, overpopulation and pollution.
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15
Describe the connection between living things in a food chain (use 5 labels)
A producer is eaten by a primary consumer, that is eaten by a secondary consumer, that is eaten by a tertiary consumer, that is eaten by a decomposer.
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15
Let's speak! What is deforestation?
It is the action of cutting down too many forests (trees) to grow crops for the human population.
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15
Choose the correct one!
1. The holm oak forest
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15
How can you prevent air pollution?
I can prevent air pollution by using public transport or walking, instead of taking the car.
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banana
Go to last place!
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shark
Other team loses 25 points!
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rocket
Go to first place!
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baam
Lose 25 points!
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15
Who are the decomposers in a marine ecosystem?
Fungi, bacteria and other microorganisms.
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15
In this biome there is very little vegetation, the plants have spines instead of leaves to reduce water loss and many animals are nocturnal. Which one is it?
It is Hot Desert.
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15
Let's speak! Explain what an evergreen tree is.
An evergreen tree is a tree that keeps its leaves all year long.
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15
The ____________ factors are the non-living things in an ecosystem.
