The South American Tree Sloth Feeds on Leaves and Buds

question 96

Multiple Choice

The South American tree sloth feeds on leaves and buds, which are digested by bacteria that inhabit the sloth's stomach.It is difficult for predators to see the sloth in a tree, because it is tinted green from the cyanobacteria that live in its fur.A variety of nonbiting insects also live in the fur but appear not to affect the sloth.This suggests that the sloth has mutualistic interactions with which two sets of organisms?

• A) Leaves and buds, as well as digestive bacteria
• B) Digestive bacteria and cyanobacteria
• C) Cyanobacteria and insects
• D) Insects, as well as leaves and buds
• E) Leaves and buds, as well as cyanobacteria

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