Ecosystems are defined as the complex environments in which living organisms interact with each other and their physical surroundings. From the polar ice caps to coral reefs, ecosystems can be found all over the world. Some common synonyms for this word include environment, habitat, biotic community, and ecological system. Environmentalists and scientists alike often study ecosystems to better understand how they function and how different organisms within them interact. Anthropogenic activities like pollution and deforestation can have devastating effects on ecosystems, making the need for ecological conservation efforts even more crucial. Ultimately, understanding and preserving these intricate and delicate systems is essential for the survival of all living creatures on Earth.