Simplify the following text for a Grade 11 native English-speaking person.
Original: The park protects several ecological zones ranging from as low as 150 meters above sea level in parts of the Southwest Amazon moist forests to Peruvian Yungas at middle elevations to Central Andean wet puna at altitudes of 4200 meters .
Simplified: The park protects several ecological zones ranging from as low as 150 metres above sea level in parts of the Amazon Basin , to Puna grassland at altitudes of 4200 metres .