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Friends University - Fall 2012 | ||
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 | Vertebrate Biology (1st Edition) by Donald W. Linzey Hardcover, 552 Pages, Published 2000 ISBN-10: 0-697-36387-2 / 0697363872 ISBN-13: 978-0-697-36387-9 / 9780697363879 Mutualism In the type of symbiotic relationship known as mutualism, both partners benefit from the association. ... Many other species of fishes allow themselves to be cleaned by cleaner fishes (Fig. ... humans, provide a suitable environment for beneficial bacteria that aid in food digestion and | |