Complex sentence: Biomechanical theory suggests that bone curvature in "Palaeopropithecus" hand bones is linked to the functional demands of the organisms environment, in other words, the unique functional morphology of the "Palaeopropithecus" finger bones is a result of the environment in which it lived.
Split into simpler sentences: Biomechanical theory suggests that bone curvature in "Palaeopropithecus" hand bones is linked to the functional demands of the organisms environment. In other words, the unique functional morphology of the "Palaeopropithecus" finger bones is a result of the environment in which it lived.