COMMENSALISM

is tho living together |: of two animals or plants for mutual benefit. Many examples could be given;/. thus an anemone is commonly found on |: the whelk shell which contains a hermit}: crab. Many animals prey on the hermit}} crab, bat the anemone is nauseous to}: them all, and thus affords protection to} « its companion by its presence. The); hermit crab, in tara, when tearing up its food, nece arily allows many fragments bedbmppe po Bhs lyre 5 Pe reer heeel f reach of the anemone. By living together |! both animals thus derive mutual benedit. |: In tho ps world the most striking Ss Ok eratogla lazy Lok ani eaaagabeaco 3 “ plant, bu com aleronsty opi gren pt Me a cles aaa n plants, or » to seaweed. ‘The fungus di olves the bark pf the tree, and feeds both itself and the alge; the algw, being green, are able to make starch from the atmosphere, and so to feed both themselves and the fungus. Each plant thus obtains a double food supply, which it could not obtain when acting alone.: _ COMMERCE, [s. 105]