How the Wallace line explains the difference in species across continents

In the 19th century, Alfred Wallace noticed a shift in the composition of organisms as he moved from Asia to Australia. He posited an invisible barrier in the ocean running between the islands of Bali and Lombok, striking north between Borneo and Sulawesi before curving south of Mindanao Science In the 19th century, Alfred Wallace noticed a shift in the composition of organisms as he moved from Asia to Australia. He posited an invisible barrier in the ocean running between the islands of Bali and Lombok, striking north between Borneo and Sulawesi before curving south of Mindanao Sci-Tech News | Latest Technological Developments | The Hindu