Change in an ecosystem
Which of the following is not an example of something that can cause a natural change in an ecosystem?
Correct!
Wrong!
Which of the following is not an example of a human factor that can cause change in an ecosystem?
Correct!
Wrong!
Which of the following is unlikely to occur due to the reintroduction of perch (predator) to a lake?
Correct!
Wrong!
True or false? The reintroduction of wolves to Yellowstone National Park has had a positive impact on the ecosystem.
Correct!
Wrong!
True or false? Climate change can have a negative impact on pond ecosystems.
Correct!
Wrong!
Water levels of ponds can be affected by drought caused by climate change. This can put stress on the ecosystem or even destroy it if it dries out.
True or false? A healthy, sustainable ecosystem can take many hundreds of years to develop. Its success depends on many complex interrelationships that exist within the ecosystem.
Correct!
Wrong!
Which of the following is not an example of a natural change in an ecosystem?
Correct!
Wrong!
Which of the following is not an example of human-induced ecosystem change?
Correct!
Wrong!
True or false? The introduction of alien species may happen naturally or through human activities.
Correct!
Wrong!
The influx of nutrients in a pond from fertilisers on farmland can lead to the rapid growth of algae in ponds, depriving other organisms of oxygen. What is this process known as?
Correct!
Wrong!
WB3
Well done! You have a good understanding of this area of geography.
Good try, you could do with revising this area a bit more though.
Oh dear, you definitely need to work on this area.
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