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Studying mammals: The opportunists
Studying mammals: The opportunists

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Learning outcomes

After studying this course, you should be able to:

  • explain the concept of energy transfer between trophic levels

  • outline the usefulness and limitations of food chains and food webs

  • using examples, weigh up the value of dietary specialisation and of omnivory

  • summarise the physiological changes linked with ‘hibernation’ in grizzly bears

  • give examples of variations in diet and lifestyle among the bear family.