👉 The term "palaeotropical" is a scientific term that refers to the areas of the world where tropical plants and animals were first encountered by humans. It was used by early explorers and scientists in the 19th century, who often referred to these regions as "the palaeo-tropics." The term has been expanded over time to include other parts of the world where such environments existed, such as the tropical forests and wetlands of South America, Africa, Asia,