Adaptations, Interdependence and Competition


  • 1) The image below shows an Arctic fox, a mammal native to the Arctic circle, which includes countries such as Greenland, Iceland and the northernmost areas of Canada and Russia. Describe and explain two ways which the Arctic Fox is adapted to its environment 4 Marks



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  • 2) Arctic foxes which are better adapted to their environment will be more competitive than other individuals, meaning they have better access to resources. Suggest two resources which the foxes could be competing for 2 Marks


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  • 3) Arctic foxes are carnivores which eat small animals such as voles, hares, birds and fish. Without the presence of these animals, the Arctic foxes would starve and die. State the type of interaction between the Arctic foxes and its prey, and give a general definition for this interaction 2 Marks


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  • 4) The following table shows the temperatures on the outskirts of a forest in Greenland where the Arctic fox lives, over the last 5 years. Calculate the mean temperature for the last 5 years, for January and July 2 Marks



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  • 5) From May to September, the Arctic fox moults its thick white winter coat, and grows a thinner brown summer coat. Using the information in the table above, explain the competitive advantage of this to the Arctic fox 3 Marks



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  • 6) Temperature is an example of an abiotic factor in an ecosystem. Give two other examples of abiotic factors which can affect organisms 2 Marks


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