Original sentence: California native plants are in rapid decline in their land of origin due to pressures from urban development, agriculture, overgrazing, recreation, and invasive non-native species.California native plants are plants that existed in California prior to the arrival of Europeans
Edited sentence: California native plants are in rapid decline in their land of origin due to pressures from urban development, agriculture, and invasive non-native species.California native plants are plants that existed in California prior to the advent of Europeans