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Searching for ocean giants: Antarctic blue whales and their food

Antarctic blue whales are the world’s largest living animals. They obtain their energy from shrimp-like crustaceans called krill. Marine biologist Madeleine Brasier joined a group of scientists, led by the Australian Antarctic Program, to investigate where the whales go to feed and the importance of their faeces to marine food webs

Madeleine Brasier

Antarctic blue whale (Balaenoptera musculus intermedia) at the surface

AQA Nutrient cycles; Populations in ecosystems

OCR A Ecosystems; Populations and sustainability

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The species problem

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