Commensalism is much more difficult to demonstrate than mutualism. ... On the other hand the presence of a covering of barnacles could reduce predation on the scallop by marine gastropods (snails) that drill holes in the scallop shells to get to the animal within. It is difficult to prove or disprove these possibilities.
www.nearctica.com/ecology/pops/commens.htm
+ and 0 = Commensalism. One species benefits from the interaction and the other is unaffected. ... This page deals only with mutualism and commensalism. Predation and competition are treated on separate pages of Nearctica. ... Symbiosis, Commensalism, and...
www.nearctica.com/ecology/pops/symbiote.htm
Commensalism - Wikipedia, the free encyclopedia
In ecology, Commensalism is a class of relationship between two organisms where one organism benefits but the other is unaffected. There are two other types of association: mutualism (where both org...
en.wikipedia.org/wiki/Commensalism
The relationship can consist of two animals, two plants, a plant and an animal, or even a fungus and an algae (such as in lichens). ... • Commensalism: In this association one organism [the commensal] benefits, and the other [the host] is apparently unaffected. • Parasitism In this association one organism [the...
www.seaslugforum.net/factsheet/symbio
Fact sheets with photos: from the Guide to Seashore Life in Singapore ... Stalked barnacles, mainly of the genus Octolasmis (Family Lepidae) also appear to favour animal hosts, and often grow on the shells and gills of crabs, as well as skins of sea snakes.
mangrove.nus.edu.sg/pub/seashore/text/269.htm
Botany textbooks rarely give examples of plant-animal commensalisms because animals usually either benefit or harm plants. Perhaps the closest to a plant- animal commensalism is an animal living or nesting in a tree as birds and squirrels do.
www.madsci.org/posts/archives/May2003/1052445489.Bt.r.h... www.madsci.org/posts/archives/May2003/1052445489.Bt.r.html
Interactions between 2 organisms where at least 1 benefits; ... Often occur though coevolution; ... Usually the rule, not the exception...
www.jcu.edu.au/~zljes/bz1002/lecture8.htm
Symbiosis is a close ecological relationship between the individuals of two (or more) different species.   Sometimes a symbiotic relationship benefits both species, sometimes one species benefits at the other's ... Ecologists use a different term for each type of symbiotic relationship: ...   --   one species benefits,
www.cals.ncsu.edu/course/ent591k/symbiosis.html
Nearctica - Mutualism and Commensalism ... Symbiosis - Insects ... Aquatic Interiors - Symbiosis & Commensalism...
www.lindenschools.org/medialinks/Phillips/Symbiosis.htm... www.lindenschools.org/medialinks/Phillips/Symbiosis.html
Polar Bears question: Is there commensalism between a polar bear and another animal? You couldn't exactly call it commensalism but sometimes the arctic fox will travel behind a polar bear and feed on the ... What commensalism for polar? What animals share commensalism? Commensalism animal relationship? Can the animal...
wiki.answers.com/Q/Is_there_commensalism_between_a_pola... wiki.answers.com/Q/Is_there_commensalism_between_a_polar_bear_and_another_animal