1. Sloths
... to the family megalonychidae. Modern sloths live upside-down in the forests of South America. Despite their long, sharply curved claws, they are herbivores, and mainly eat tree leaves as there teeth are to primitive and weak, due to lack of enamel, to chew anything else. The claws are part of their adaptation to life in ... move around little when awake. When they do move, it is at a slow speed. This slow way of life is necessary to navigate the web of small peripheral tree branches where they feed and is further reflected in their rate of metabolism, only defecate once or twice in a on...
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- Grade Level: High School