Harper, E. M. (2005) Solving ancient murder mysteries. Rockwatch, 39. pp. 4-5.
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Many animals hunt and kill other creatures for food. On land, foxes chase and eat rabbits, and lions attack antelopes, while in the sea, crabs eat shellfish and sharks attack fish. But it isn't just a case of one animal being a hunter (called the predator) and another being eaten (the prey). All creatures belong to complex food webs where one creature may be the predator of smaller creatures, but may itself be hunted and eaten by a bigger one. Consider a crab and an octopus - although the crab crunches up shellfish with its big pincers, the crab itself may be dinner for an octopus, while the octopus needs to lookout to avoid being eaten by bigger fish. The world is a dangerous place and palaeontologists think that animals have been killing other animals for over 550 million years.
|Uncontrolled Keywords:||2005 AREP IA46 IA47 2005 P|
|Subjects:||04 - Palaeobiology|
|Divisions:||04 - Palaeobiology|
|Journal or Publication Title:||Rockwatch|
|Page Range:||pp. 4-5|
|Depositing User:||Sarah Humbert|
|Date Deposited:||16 Nov 2011 14:15|
|Last Modified:||23 Jul 2013 09:58|
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