Complex sentence: It is based on Marcgraf and Piso's trip to Brazil in 1637 and offers an important early western insight into Brazilian flora and fauna by analyzing plants and animals and studying tropical diseases and indigenous therapies.
Split into simpler sentences: It is based on Marcgraf and Piso's time in Brazil, starting in 1637. It offers an important early European insight into Brazilian flora and fauna by analyzing plants and animals and studying tropical diseases and indigenous therapies.