Complex sentence: In it, he is entrusted by his teacher Aristotle with the task of observing and recording the lives of wild animals, and speculates that this would explain some of the fantastic accounts in Aristotle's zoological writings as Harpalian hoaxes.
Split into simpler sentences: In it, he is entrusted by his teacher Aristotle with the task of observing and recording the lives of wild animals. Rnault speculates that this would explain some of the fantastic accounts in Aristotle's zoological writings as Harpalian hoaxes.