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ERIC Number: EJ813861
Record Type: Journal
Publication Date: 2008-Oct
Pages: 6
Abstractor: ERIC
Reference Count: 11
ISSN: ISSN-0002-7685
Senses & Sensibility: Predator-Prey Experiments Reveal How Fish Perceive & Respond to Threats
Jones, Jason; Holloway, Barbara; Ketcham, Elizabeth; Long, John
American Biology Teacher, v70 n8 p462-467 Oct 2008
The predator-prey relationship is one of the most recognizable and well-studied animal relationships. One of the more striking aspects of this relationship is the differential natural selection pressure placed on predators and their prey. This differential pressure results from differing costs of failure, the so-called life-dinner principle. If a predator fails to catch a prey item, it simply goes hungry; if a prey item fails to escape a predator, its life is usually over. This strong selection pressure on prey has led to a diversity of defensive adaptations, such as camouflage, poison, and armoring. In this article, the authors describe a two-part laboratory experiment designed to examine two putative defensive adaptations in an aquatic predator-prey system: multimodal predator detection systems and the fast-start escape response. (Contains 1 table and 3 figures.)
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A